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    Voytek 2

    NEW FOR 2023

    FAT BIKE PERFORMANCE EVOLVED

    Voytek 2 takes what the original Voytek started and makes it better. This is a fat bike that rides like a mountain bike on snowy trails. We overhauled Voytek geometry to give you a fat bike that lets you go even faster with more confidence. Voytek 2 has adjustable geometry via the patented Tuning Chip dropout system like all Otso bikes, as well as the new GeoChip head tube system that alters geometry at the front end of the bike. It has clearance for 26” x 4.6” or 27.5” x 4.5” tires, suspension correction for a suspension fork, internal cable routing, lower standover, and several more updates. When the snow melts, swap in a 29” plus wheelset to keep the party going all year. Voytek changed the world of fat bikes when we announced it in 2016. Voytek 2 is here to do it again.

    BUILD YOUR VOYTEK 2 NOW

    Otso bikes are available to purchase here on our website or with our network of Otso dealers. Our Custom Bike Configurator allows you to select most component options on your bike, including drivetrain, wheelset, tires, handlebars, seatpost, anodized accent color option, and more. Voytek 2 is also available as a frameset if you already have parts ready to go at home. We’re happy to talk through options to help you build the Voytek 2 that is perfect for you and your riding style.

    Voytek 2 Custom Bike Configurator Voytek 2 Custom Bike Configurator
    $ 3,995.00

    Fat Bike Voytek Otso Winter snow riding, neon sunrise color side view Fat Bike Voytek Otso Winter snow riding, neon sunrise color side view
    $ 3,995.00

    Fat Bike Voytek Otso Winter snow riding, Tonal Slate color side view Fat Bike Voytek Otso Winter snow riding, Tonal Slate color side view
    $ 5,150.00

    Fat Bike Voytek Otso Winter snow riding, Tonal slate color Frame Fat Bike Voytek Otso Winter snow riding, Tonal slate color Frame
    $ 3,295.00

    Voytek 2 Custom Frame Bag by Cedaero Voytek 2 Custom Frame Bag by Cedaero
    $ 274.95

    Note: Images may not show actual build kit content. Pricing and specifications subject to change without notice. Comparable components may be substituted when necessary to fulfill bike shipments.

    Our bikes are available for purchase here on our website and with our growing network of bike shops. If you’d like to work with your local Otso dealer to build a bike, click the Find A Dealer button to find an Otso bike shop near you.

    Narrow Q factor

    Voytek 2 feels more like riding a mountain bike than a bike built for 26" x 4.6" tires because it has a narrow Q factor. The Q factor of a bike is the distance between the outer surfaces of your two crank-arms. The narrower the Q factor, the more natural it feels to pedal and handle the bike because it is closer to your normal biomechanics. It also allows for stronger power transfer to the pedals, more efficient pedaling, and increased overall performance.

    Close up of chainring and crankset on a blue Otso Voytek 2 fat bike.

    Adjustable Geometry

    When pairing the GeoChip head tube system with the Tuning Chip rear dropout system, Voytek 2 geometry has unprecedented adjustability. Pair a long wheelbase with a slack head tube angle for a stable ride in deep snow. Pair a short wheelbase with a steeper head tube angle for a responsive ride on packed, tacky snow. Or mix and match based on your riding style.

    Customize Reach and Head Tube Angle

    GeoChip is a new integrated system that allows you to adjust reach and head tube angle. Three sets of flip chips nest in the frame and hold the headset upper and lower cups. One set of GeoChip flip chips allows for +/- 10mm of reach adjustment, another allows for +/- 1º of head tube angle adjustment, and the third allows for +/- 2º of head tube angle adjustment. This means that you can easily adjust your reach or head tube angle at home based on the riding ahead. With two reach options for each bike due to GeoChip, Voytek 2 effectively has eight frame sizes.

    Close up of rear adjustable Tuning Chip dropout on a blue Otso Voytek 2 frame

    Tuning Chip Rear Dropout System

    All Otso bikes are equipped with adjustable geometry via our patented Tuning Chip rear dropout system. The Tuning Chip can adjust the wheelbase by up to 20mm, raise or lower the bottom bracket by up to 4mm, and adjust the head tube angle by +/- 0.5º. With the machined aluminum flip chip in the rear position, Voytek 2 has a longer wheelbase, lower bottom bracket, and slacker head tube angle for confidence and stability in deeper snow. Use the front position for more responsive handling on packed trails with tight turns. A middle position chip pairs the best of both worlds.

    Tire Clearance and Wheel Swapping

    Voytek 2 can fit 26” x 4.6” or 27.5" x 4.5" tires on the stock rims. A full breakdown of tire/rim pairings can be found below in the Tech Specs. To achieve this wide tire clearance with an extremely narrow bottom bracket, the rear hub has a 5mm outboard offset to prevent chain rub. Voytek 2 can also fit 29” x 3.0” tires. So when the trails are packed with snow, ride 26” x 4.0” tires, then when the snow melts and the trails turn to dirt, swap in your 29” wheelset for plus mountain bike riding. Voytek 2 was designed to accommodate multiple wheel sizes without compromising ride quality.

    Blue Otso Voytek 2 fat bike shown with 29
    Blue Otso Voytek 2 fat bike being ridden on snow in the woods.

    Modern MTB Geometry

    Voytek 2 builds on the geometry that we pioneered with our original Voytek. We gave Voytek 2 a slacker head tube angle, steeper seat tube angle, shorter standover. This updated geometry allows you to go faster with more confidence.

    RockShox suspension fork on a black and gray Otso Voytek 2 fat bike with 29

    Suspension Correction

    Voytek 2 is suspension corrected. This means that you can build it with a 120mm travel suspension fork without drastically changing the geometry of the bike with a rigid fork.

    White and gray Otso Voytek 2 with 29

    Dropper Compatibility

    Dropper post routing has a fully internal sleeve via a port behind the head tube. The Wolf Tooth Resolve Dropper Post is an option on the Voytek 2 Custom Bike Builder.

    Blue Otso Voytek 2 fat bike pictured on snow in the woods.

    Large Front Triangle

    A larger front triangle means that you can fit more cargo for your ride. Use this space for a custom frame bag, two bottles, or anything else that you need to carry for the ride ahead.

    TECHNICAL DETAILS

    CAD illustration of Otso Voytek 2 frame and forks with labels of frame geometry dimensions.

    GeoChip Head Tube System

    Rear Tuning Chip

    Frame Size S M L XL
    Recommended Rider Height 4'9" - 5'6" 5'5" - 5'10" 5'9" - 6'2" 6'1" - 6'8"
    Recommended Rider Inseam 29" - 32" 31" - 33" 32" - 35" 34" - 37"
    Reach 433 454 467 487
    Stack 581 595 619 637
    Effective Top Tube (ETT) 600 625 645 670
    Seat Tube Length C-T (STL) 380 420 465 510
    Head Tube Angle (HTA) 67.8 67.8 67.8 67.8
    Seat Tube Angle (STA) 73.8 73.8 73.8 73.8
    Head Tube Length (HTL) 95 110 136 156
    Chainstay Length 450 450 450 450
    BB Drop 63 63 63 63
    Fork Rake / Offset 51 51 51 51
    Fork Axle to Crown 485 485 485 485
    Wheelbase 1148 1174 1197 1224
    Trail 26x4.0" 93 93 93 93
    Trail 27.5x4.0" 101 101 101 101
    Trail 29x2.6" 99 99 99 99
    Standover 26x4.0" 691 724 764 801
    Standover 27.5x4.0" 711 744 784 821
    Standover 29x2.6" 706 739 779 816
    Frame Size S M L XL
    Recommended Rider Height 4'9" - 5'6" 5'5" - 5'10" 5'9" - 6'2" 6'1" - 6'8"
    Recommended Rider Inseam 29" - 32" 31" - 33" 32" - 35" 34" - 37"
    Reach 435 456 469 489
    Stack 580 594 618 636
    Effective Top Tube (ETT) 600 625 645 670
    Seat Tube Length C-T (STL) 380 420 465 510
    Head Tube Angle (HTA) 68 68 68 68
    Seat Tube Angle (STA) 74 74 74 74
    Head Tube Length (HTL) 95 110 136 156
    Chainstay Length 440 440 440 440
    BB Drop 61 61 61 61
    Fork Rake / Offset 51 51 51 51
    Fork Axle to Crown 485 485 485 485
    Wheelbase 1138 1165 1188 1215
    Trail 26x4.0" 92 92 92 92
    Trail 27.5x4.0" 100 100 100 100
    Trail 29x2.6" 98 98 98 98
    Standover 26x4.0" 693 726 766 803
    Standover 27.5x4.0" 713 746 786 823
    Standover 29x2.6" 708 741 781 818
    Frame Size S M L XL
    Recommended Rider Height 4'9" - 5'6" 5'5" - 5'10" 5'9" - 6'2" 6'1" - 6'8"
    Recommended Rider Inseam 29" - 32" 31" - 33" 32" - 35" 34" - 37"
    Reach 436 457 470 490
    Stack 579 593 617 635
    Effective Top Tube (ETT) 600 625 645 670
    Seat Tube Length C-T (STL) 380 420 465 510
    Head Tube Angle (HTA) 68.2 68.2 68.2 68.2
    Seat Tube Angle (STA) 74.2 74.2 74.2 74.2
    Head Tube Length (HTL) 95 110 136 156
    Chainstay Length 430 430 430 430
    BB Drop 59 59 59 59
    Fork Rake / Offset 51 51 51 51
    Fork Axle to Crown 485 485 485 485
    Wheelbase 1129 1155 1178 1205
    Trail 26x4.0" 91 91 91 91
    Trail 27.5x4.0" 99 99 99 99
    Trail 29x2.6" 97 97 97 97
    Standover 26x4.0" 693 726 766 803
    Standover 27.5x4.0" 713 746 786 823
    Standover 29x2.6" 708 741 781 818
    Frame Size S M L XL
    Recommended Rider Height 4'9" - 5'6" 5'5" - 5'10" 5'9" - 6'2" 6'1" - 6'8"
    Recommended Rider Inseam 29" - 32" 31" - 33" 32" - 35" 34" - 37"
    Reach 422 443 456 476
    Stack 579 593 617 635
    Effective Top Tube (ETT) 590 615 635 660
    Seat Tube Length C-T (STL) 380 420 465 510
    Head Tube Angle (HTA) 67.8 67.8 67.8 67.8
    Seat Tube Angle (STA) 73.8 73.8 73.8 73.8
    Head Tube Length (HTL) 95 110 136 156
    Chainstay Length 450 450 450 450
    BB Drop 61 61 61 61
    Fork Rake / Offset 51 51 51 51
    Fork Axle to Crown 485 485 485 485
    Wheelbase 1139 1165 1188 1215
    Trail 26x4.0" 94 94 94 94
    Trail 27.5x4.0" 102 102 102 102
    Trail 29x2.6" 100 100 100 100
    Standover 26x4.0" 693 726 766 803
    Standover 27.5x4.0" 713 746 786 823
    Standover 29x2.6" 708 741 781 818
    Frame Size S M L XL
    Recommended Rider Height 4'9" - 5'6" 5'5" - 5'10" 5'9" - 6'2" 6'1" - 6'8"
    Recommended Rider Inseam 29" - 32" 31" - 33" 32" - 35" 34" - 37"
    Reach 424 445 458 478
    Stack 578 592 616 634
    Effective Top Tube (ETT) 590 615 635 660
    Seat Tube Length C-T (STL) 380 420 465 510
    Head Tube Angle (HTA) 68 68 68 68
    Seat Tube Angle (STA) 74 74 74 74
    Head Tube Length (HTL) 95 110 136 156
    Chainstay Length 440 440 440 440
    BB Drop 59 59 59 59
    Fork Rake / Offset 51 51 51 51
    Fork Axle to Crown 485 485 485 485
    Wheelbase 1129 1156 1178 1206
    Trail 26x4.0" 93 93 93 93
    Trail 27.5x4.0" 101 101 101 101
    Trail 29x2.6" 99 99 99 99
    Standover 26x4.0" 693 726 766 803
    Standover 27.5x4.0" 713 746 786 823
    Standover 29x2.6" 708 741 781 818
    Frame Size S M L XL
    Recommended Rider Height 4'9" - 5'6" 5'5" - 5'10" 5'9" - 6'2" 6'1" - 6'8"
    Recommended Rider Inseam 29" - 32" 31" - 33" 32" - 35" 34" - 37"
    Reach 425 446 459 479
    Stack 576 590 615 633
    Effective Top Tube (ETT) 590 615 635 660
    Seat Tube Length C-T (STL) 380 420 465 510
    Head Tube Angle (HTA) 68.2 68.2 68.2 68.2
    Seat Tube Angle (STA) 74.2 74.2 74.2 74.2
    Head Tube Length (HTL) 95 110 136 156
    Chainstay Length 430 430 430 430
    BB Drop 57 57 57 57
    Fork Rake / Offset 51 51 51 51
    Fork Axle to Crown 485 485 485 485
    Wheelbase 1119 1146 1169 1196
    Trail 26x4.0" 92 92 92 92
    Trail 27.5x4.0" 100 100 100 100
    Trail 29x2.6" 98 98 98 98
    Standover 26x4.0" 695 728 768 805
    Standover 27.5x4.0" 715 748 788 825
    Standover 29x2.6" 710 743 783 820
    Frame Size S M L XL
    Recommended Rider Height 4'9" - 5'6" 5'5" - 5'10" 5'9" - 6'2" 6'1" - 6'8"
    Recommended Rider Inseam 29" - 32" 31" - 33" 32" - 35" 34" - 37"
    Reach 434 454 467 486
    Stack 578 592 616 634
    Effective Top Tube (ETT) 598 622 642 667
    Seat Tube Length C-T (STL) 380 420 465 510
    Head Tube Angle (HTA) 66.9 66.9 66.9 66.9
    Seat Tube Angle (STA) 74.2 74.2 74.2 74.2
    Head Tube Length (HTL) 95 110 136 156
    Chainstay Length 450 450 450 450
    BB Drop 64.5 64.5 64.5 64.5
    Fork Rake / Offset 51 51 51 51
    Fork Axle to Crown 485 485 485 485
    Wheelbase 1157 1183 1206 1233
    Trail 26x4.0" 100 100 100 100
    Trail 27.5x4.0" 108 108 108 108
    Trail 29x2.6" 106 106 106 106
    Standover 26x4.0" 688 721 761 798
    Standover 27.5x4.0" 708 741 781 818
    Standover 29x2.6" 703 736 776 813
    Frame Size S M L XL
    Recommended Rider Height 4'9" - 5'6" 5'5" - 5'10" 5'9" - 6'2" 6'1" - 6'8"
    Recommended Rider Inseam 29" - 32" 31" - 33" 32" - 35" 34" - 37"
    Reach 435 456 469 488
    Stack 577 591 615 633
    Effective Top Tube (ETT) 598 622 642 667
    Seat Tube Length C-T (STL) 380 420 465 510
    Head Tube Angle (HTA) 67 67 67 67
    Seat Tube Angle (STA) 74.3 74.3 74.3 74.3
    Head Tube Length (HTL) 95 110 136 156
    Chainstay Length 440 440 440 440
    BB Drop 62.5 62.5 62.5 62.5
    Fork Rake / Offset 51 51 51 51
    Fork Axle to Crown 485 485 485 485
    Wheelbase 1147 1174 1197 1224
    Trail 26x4.0" 99 99 99 99
    Trail 27.5x4.0" 107 107 107 107
    Trail 29x2.6" 105 105 105 105
    Standover 26x4.0" 689 722 762 800
    Standover 27.5x4.0" 709 742 782 820
    Standover 29x2.6" 704 737 777 815
    Frame Size S M L XL
    Recommended Rider Height 4'9" - 5'6" 5'5" - 5'10" 5'9" - 6'2" 6'1" - 6'8"
    Recommended Rider Inseam 29" - 32" 31" - 33" 32" - 35" 34" - 37"
    Reach 437 457 470 490
    Stack 576 590 614 632
    Effective Top Tube (ETT) 598 622 642 667
    Seat Tube Length C-T (STL) 380 420 465 510
    Head Tube Angle (HTA) 67.1 67.1 67.1 67.1
    Seat Tube Angle (STA) 74.5 74.5 74.5 74.5
    Head Tube Length (HTL) 95 110 136 156
    Chainstay Length 430 430 430 430
    BB Drop 60.5 60.5 60.5 60.5
    Fork Rake / Offset 51 51 51 51
    Fork Axle to Crown 485 485 485 485
    Wheelbase 1138 1164 1187 1214
    Trail 26x4.0" 98 98 98 98
    Trail 27.5x4.0" 106 106 106 106
    Trail 29x2.6" 104 104 104 104
    Standover 26x4.0" 690 723 763 801
    Standover 27.5x4.0" 710 743 783 821
    Standover 29x2.6" 705 738 778 816
    Frame Size S M L XL
    Recommended Rider Height 4'9" - 5'6" 5'5" - 5'10" 5'9" - 6'2" 6'1" - 6'8"
    Recommended Rider Inseam 29" - 32" 31" - 33" 32" - 35" 34" - 37"
    Reach 421 443 456 476
    Stack 581 595 620 638
    Effective Top Tube (ETT) 592 617 638 663
    Seat Tube Length C-T (STL) 380 420 465 510
    Head Tube Angle (HTA) 68.9 68.9 68.9 68.9
    Seat Tube Angle (STA) 73.5 73.5 73.5 73.5
    Head Tube Length (HTL) 95 110 136 156
    Chainstay Length 450 450 450 450
    BB Drop 59.5 59.5 59.5 59.5
    Fork Rake / Offset 51 51 51 51
    Fork Axle to Crown 485 485 485 485
    Wheelbase 1130 1156 1179 1206
    Trail 26x4.0" 87.5 87.5 87.5 87.5
    Trail 27.5x4.0" 95 95 95 95
    Trail 29x2.6" 93 93 93 93
    Standover 26x4.0" 696 728 768 805
    Standover 27.5x4.0" 716 748 788 825
    Standover 29x2.6" 711 743 783 820
    Frame Size S M L XL
    Recommended Rider Height 4'9" - 5'6" 5'5" - 5'10" 5'9" - 6'2" 6'1" - 6'8"
    Recommended Rider Inseam 29" - 32" 31" - 33" 32" - 35" 34" - 37"
    Reach 423 444 458 478
    Stack 580 594 619 637
    Effective Top Tube (ETT) 592 617 638 663
    Seat Tube Length C-T (STL) 380 420 465 510
    Head Tube Angle (HTA) 69 69 69 69
    Seat Tube Angle (STA) 73.7 73.7 73.7 73.7
    Head Tube Length (HTL) 95 110 136 156
    Chainstay Length 440 440 440 440
    BB Drop 57.5 57.5 57.5 57.5
    Fork Rake / Offset 51 51 51 51
    Fork Axle to Crown 485 485 485 485
    Wheelbase 1120 1147 1169 1197
    Trail 26x4.0" 86.5 86.5 86.5 86.5
    Trail 27.5x4.0" 94 94 94 94
    Trail 29x2.6" 92 92 92 92
    Standover 26x4.0" 697 729 769 806
    Standover 27.5x4.0" 717 749 789 826
    Standover 29x2.6" 712 744 784 821
    Frame Size S M L XL
    Recommended Rider Height 4'9" - 5'6" 5'5" - 5'10" 5'9" - 6'2" 6'1" - 6'8"
    Recommended Rider Inseam 29" - 32" 31" - 33" 32" - 35" 34" - 37"
    Reach 424 446 459 479
    Stack 579 593 618 636
    Effective Top Tube (ETT) 592 617 638 663
    Seat Tube Length C-T (STL) 380 420 465 510
    Head Tube Angle (HTA) 69.1 69.1 69.1 69.1
    Seat Tube Angle (STA) 73.8 73.8 73.8 73.8
    Head Tube Length (HTL) 95 110 136 156
    Chainstay Length 430 430 430 430
    BB Drop 55.5 55.5 55.5 55.5
    Fork Rake / Offset 51 51 51 51
    Fork Axle to Crown 485 485 485 485
    Wheelbase 1110 1137 1160 1187
    Trail 26x4.0" 85.5 85.5 85.5 85.5
    Trail 27.5x4.0" 93 93 93 93
    Trail 29x2.6" 91 91 91 91
    Standover 26x4.0" 698 731 771 808
    Standover 27.5x4.0" 718 751 791 828
    Standover 29x2.6" 713 746 786 823
    Frame Size S M L XL
    Recommended Rider Height 4'9" - 5'6" 5'5" - 5'10" 5'9" - 6'2" 6'1" - 6'8"
    Recommended Rider Inseam 29" - 32" 31" - 33" 32" - 35" 34" - 37"
    Reach 434 455 467 486
    Stack 576 589 613 631
    Effective Top Tube (ETT) 596 620 639 664
    Seat Tube Length C-T (STL) 380 420 465 510
    Head Tube Angle (HTA) 65.9 65.9 65.9 65.9
    Seat Tube Angle (STA) 74.4 74.4 74.4 74.4
    Head Tube Length (HTL) 95 110 136 156
    Chainstay Length 450 450 450 450
    BB Drop 66 66 66 66
    Fork Rake / Offset 51 51 51 51
    Fork Axle to Crown 485 485 485 485
    Wheelbase 1166 1192 1215 1242
    Trail 26x4.0" 106.5 106.5 106.5 106.5
    Trail 27.5x4.0" 115 115 115 115
    Trail 29x2.6" 113 113 113 113
    Standover 26x4.0" 685 718 758 795
    Standover 27.5x4.0" 705 738 778 815
    Standover 29x2.6" 700 733 773 810
    Frame Size S M L XL
    Recommended Rider Height 4'9" - 5'6" 5'5" - 5'10" 5'9" - 6'2" 6'1" - 6'8"
    Recommended Rider Inseam 29" - 32" 31" - 33" 32" - 35" 34" - 37"
    Reach 436 456 468 488
    Stack 575 588 612 630
    Effective Top Tube (ETT) 596 620 639 664
    Seat Tube Length C-T (STL) 380 420 465 510
    Head Tube Angle (HTA) 66 66 66 66
    Seat Tube Angle (STA) 74.6 74.6 74.6 74.6
    Head Tube Length (HTL) 95 110 136 156
    Chainstay Length 440 440 440 440
    BB Drop 64 64 64 64
    Fork Rake / Offset 51 51 51 51
    Fork Axle to Crown 485 485 485 485
    Wheelbase 1156 1183 1206 1233
    Trail 26x4.0" 105.5 105.5 105.5 105.5
    Trail 27.5x4.0" 114 114 114 114
    Trail 29x2.6" 112 112 112 112
    Standover 26x4.0" 686 719 759 797
    Standover 27.5x4.0" 706 739 779 817
    Standover 29x2.6" 701 734 774 812
    Frame Size S M L XL
    Recommended Rider Height 4'9" - 5'6" 5'5" - 5'10" 5'9" - 6'2" 6'1" - 6'8"
    Recommended Rider Inseam 29" - 32" 31" - 33" 32" - 35" 34" - 37"
    Reach 438 458 470 489
    Stack 573 587 611 629
    Effective Top Tube (ETT) 596 620 639 664
    Seat Tube Length C-T (STL) 380 420 465 510
    Head Tube Angle (HTA) 66.1 66.1 66.1 66.1
    Seat Tube Angle (STA) 74.7 74.7 74.7 74.7
    Head Tube Length (HTL) 95 110 136 156
    Chainstay Length 430 430 430 430
    BB Drop 62 62 62 62
    Fork Rake / Offset 51 51 51 51
    Fork Axle to Crown 485 485 485 485
    Wheelbase 1147 1173 1196 1223
    Trail 26x4.0" 104.5 104.5 104.5 104.5
    Trail 27.5x4.0" 113 113 113 113
    Trail 29x2.6" 111 111 111 111
    Standover 26x4.0" 687 721 761 798
    Standover 27.5x4.0" 707 741 781 818
    Standover 29x2.6" 702 736 776 813
    Frame Size S M L XL
    Recommended Rider Height 4'9" - 5'6" 5'5" - 5'10" 5'9" - 6'2" 6'1" - 6'8"
    Recommended Rider Inseam 29" - 32" 31" - 33" 32" - 35" 34" - 37"
    Reach 421 442 456 477
    Stack 584 598 623 641
    Effective Top Tube (ETT) 594 620 641 666
    Seat Tube Length C-T (STL) 380 420 465 510
    Head Tube Angle (HTA) 69.9 69.9 69.9 69.9
    Seat Tube Angle (STA) 73.3 73.3 73.3 73.3
    Head Tube Length (HTL) 95 110 136 156
    Chainstay Length 450 450 450 450
    BB Drop 58 58 58 58
    Fork Rake / Offset 51 51 51 51
    Fork Axle to Crown 485 485 485 485
    Wheelbase 1120 1147 1170 1197
    Trail 26x4.0" 81 81 81 81
    Trail 27.5x4.0" 88 88 88 88
    Trail 29x2.6" 86 86 86 86
    Standover 26x4.0" 698 731 771 808
    Standover 27.5x4.0" 718 751 791 828
    Standover 29x2.6" 713 746 786 823
    Frame Size S M L XL
    Recommended Rider Height 4'9" - 5'6" 5'5" - 5'10" 5'9" - 6'2" 6'1" - 6'8"
    Recommended Rider Inseam 29" - 32" 31" - 33" 32" - 35" 34" - 37"
    Reach 422 444 458 478
    Stack 583 597 622 640
    Effective Top Tube (ETT) 594 619 641 666
    Seat Tube Length C-T (STL) 380 420 465 510
    Head Tube Angle (HTA) 70 70 70 70
    Seat Tube Angle (STA) 73.5 73.5 73.5 73.5
    Head Tube Length (HTL) 95 110 136 156
    Chainstay Length 440 440 440 440
    BB Drop 56 56 56 56
    Fork Rake / Offset 51 51 51 51
    Fork Axle to Crown 485 485 485 485
    Wheelbase 1111 1137 1160 1187
    Trail 26x4.0" 80 80 80 80
    Trail 27.5x4.0" 87 87 87 87
    Trail 29x2.6" 85 85 85 85
    Standover 26x4.0" 699 732 772 809
    Standover 27.5x4.0" 719 752 792 829
    Standover 29x2.6" 714 747 787 824
    Frame Size S M L XL
    Recommended Rider Height 4'9" - 5'6" 5'5" - 5'10" 5'9" - 6'2" 6'1" - 6'8"
    Recommended Rider Inseam 29" - 32" 31" - 33" 32" - 35" 34" - 37"
    Reach 424 445 459 480
    Stack 581 596 621 639
    Effective Top Tube (ETT) 594 620 641 666
    Seat Tube Length C-T (STL) 380 420 465 510
    Head Tube Angle (HTA) 70.1 70.1 70.1 70.1
    Seat Tube Angle (STA) 73.6 73.6 73.6 73.6
    Head Tube Length (HTL) 95 110 136 156
    Chainstay Length 430 430 430 430
    BB Drop 54 54 54 54
    Fork Rake / Offset 51 51 51 51
    Fork Axle to Crown 485 485 485 485
    Wheelbase 1101 1128 1151 1178
    Trail 26x4.0" 79 79 79 79
    Trail 27.5x4.0" 86 86 86 86
    Trail 29x2.6" 84 84 84 84
    Standover 26x4.0" 700 733 773 810
    Standover 27.5x4.0" 720 753 793 830
    Standover 29x2.6" 715 748 788 825

    Approved fit (tire width <105mm):
    26x4.0" 45NRTH Dillinger 4 on Sun Ringle Mulefut 80 - All positions
    26x4.0" 45NRTH Dillinger 4 on Hed Big Deal 85 - All positions
    27.5x3.8" 45NRTH Dillinger 4 on Sun Ringle Mulefut 80 - Rear and middle only

    Tight fit (tire width 105-108mm, some chain rub likely with 12 speed):
    26x4.6" 45NRTH Dunderbeist on Sun Ringle Mulefut 80 - All positions
    27.5x4.5" 45NRTH Dillinger 5 on Sun Ringle Mulefut 80 - Rear position only

    *For wheel/tire combinations not listed above, the max tire width should not exceed 105mm if you are running 12 speed, should not exceed 108mm if you are running 11 speed (or less), and clearance to the frame should never be less than 6mm.
    **Tire width and runout can vary by a couple millimeters, and tubeless tires will stretch slightly over time. Wheel dish will also affect chain clearance. Our tests were performed with new tires at 10psi with the wheel/tire centered in the frame. (Note that the frame is designed to offset the rear hub 5mm to the driveside but the wheels are dished 5mm to the non-driveside so the rim/tire is centered in the frame.)

    Compatible fenders

    PDW - Mud Shovel

     

    compatible racks

    Axiom - Fatliner Fat Bike Rear Rack (requires Problem Solvers Seatpost Clamp w/ Rack Mounts)

    Topeak - Uni Super Tourist Fat Rear Rack (requires Problem Solvers Seatpost Clamp w/ Rack Mounts)

    Blackburn - Outpost Fat Rear Rack (requires Problem Solvers Seatpost Clamp w/ Rack Mounts)

    Old Man Mountain - Divide Front Rack axle mounted with Fit Kit SET715

    Old Man Mountain - Divide Rear Rack axle mounted with custom Fit Kit SET808 with 12mm flat spacer

     

    Frame Bag Dimensions

    (click on links to view PDF drawings)

    Small

    Medium

    Large

    X-Large

     

     

    Updates from Original Voytek

    Black and gray Otso Voytek 2 fat bike with numbers to denote the location of features.

    1. GeoChip

    Headset flip chip allows for adjustable reach and integrated head tube angle adjustment of +/- 1º and +/- 2º.

    2. Slacker Head Tube Angle

    A head tube angle of 68º is 1º slacker than the original Voytek.

    3. Steeper Seat Tube Angle

    A seat tube angle of 74º is 1º steeper than the original Voytek.

    4. Improved Tire Clearance

    With a rear hub offset of 5mm, Voytek 2 can clear 26” x 4.6” tires without interfering with 12-speed chains.

    5. Larger Front Triangle

    Increased internal space in the front triangle means more room for larger frame bags and cargo.

    6. Lower Standover

    This allows for longer travel for a dropper post and makes it easier to remount the bike in deep snow.

    7. Internal Routing

    Cable for rear derailleur and rear brake line fit into internal frame sleeves for the length of the down tube. Dropper post routing has a fully internal sleeve via a port behind the head tube.

    8. Rear Hub Offset

    The rear hub has a 5mm offset to help with tire clearance and chain rub.

    9. New Paint

    A new paint and decal layout with three colorways.

    10. More Mounts

    Additional threaded mounts make it easier to add bags and racks to the frame without straps.

    11. Longer Effective Top Tube & Reach

    Voytek 2 has a longer effective top tube (ETT) and reach than Voytek.