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    Waheela S

    choose your own adventure

    Waheela S was designed from the ground up to be the most versatile gravel bike available. The first suspension-corrected gravel bike on the market, the
    Waheela S can run a suspension or rigid fork. If you're riding terrain that requires suspension, you'll also need a frame with giant tire clearance. The Waheela S can fit up to 29" x 2.1" or 700c/650b x 53mm tires.


    Our Peak Geometry™ is the future of gravel. It centers the rider over the wheels for the perfect balance of speed and stability.


    The rider is perfectly balanced over the frame to boost performance and reduce fatigue, letting you ride faster and longer.


    The optimized body position produces a stable wheelbase that improves handling, across all surfaces and in any conditions.


    The same angles and proportions are maintained across frame sizes, giving every rider the same great experience.


    Waheela has a suspension corrected 420mm axle-to-crown fork and handles optimally with both rigid and gravel suspension forks.

    "Wow! Is this a mountain bike with drop bars, a gravel rig, an adventure bike, a versatile touring rig, or all of the above? It seems almost overwhelming when you think about all the possibilities this platform presents."

    Riding Gravel


    Waheela S uses Reynolds 520 steel to produce a strong, light bike with a supple yet lively ride quality. The tubes also feature an electro-deposited (ED) coating inside and out for rust protection.

    "Otso Cycles has really made the bike versatile and has sent the first shot over the bow of other gravel bike makers out there. Expect many bikes to follow in its wake similar to this Waheela S. In that sense, the Waheela S is a pioneering effort and a good one at that."

    Riding Gravel


    The patent pending Tuning Chip™ system provides 20mm of chainstay length and 4mm of bottom bracket height adjustment, allowing you to fine tune your ride.



    Unparalleled ride quality results from the combination Reynolds 520 steel and carefully thought out frame geometry.


    The increased reach of our RideForward design requires minimal changes to the head tube angle between sizes. This makes the geometry and handling more consistent between sizes while reducing to overlap on smaller frames.


    Waheela features lower stacks for an improved fit and a slack seat tube angle for a race-friendly seat position with zero offset.


    Like the Warakin, Waheela has massive tire clearance and can be built up with tires ranging from all-road 700Cx28 through road-plus 650Cx53 to trail-ready 700Cx53 (29x2.1) for rough terrain.


    Numerous braze-ons allow Waheela to accommodate cable routing clamps, 3 water bottles, fenders, racks, frame bags, and more.


    Full-length cable housing provides flawless shifting in even the worst conditions.


    The Waheela frame is compatible with internal routing dropper seat posts.


    Designed by the Otso engineering team, Waheela frames are manufactured by one of the top steel frame fabricators in Taiwan and come with a five-year limited warranty. All bikes are inspected and assembled at our headquarters in Minneapolis, MN USA.


    • Base Build
    • Frame Specs
    • Geometry
    • Tires & Rims
    Frame Reynolds 520 with Tuning Chip™ dropout system
    Fork Lithic full carbon fork, 15mm thru-axle
    Headset Wolf Tooth Precision Headset
    Rear derailleur Shimano 105 GS, 11 speed
    Front derailleur Shimano 105, 28.6mm clamp
    Shifters/Brake Levers Shimano Ultegra hydraulic brake, 11 speed
    Cassette Shimano 105, 11-32t, 11 speed
    Brakes Shimano Ultegra, post mount
    Cranks Shimano RS510, 50/34t
    Bottom bracket Shimano english thread BSA, Ø68mm
    Handlebar Lithic Corundum aluminum compact drop with 16° flare
    Bar Tape Cork handlebar tape, black
    Stem 6061 aluminum
    Seatpost 6061 aluminum
    Seatpost Clamp Wolf Tooth 29.8mm
    Seat WTB Volt with custom Otso graphics
    Wheels DT Swiss C 1800 SPLINE 700C, 100x15mm front and 142x12mm rear hub spacing
    Tires Panaracer Gravelking SK 700x38
    Chain Shimano HG-11X
    Frame Sizes S, M, L, XL
    Weight (size M) 22.8 lbs (10.3kg) set up tubeless
    Bottom bracket standard 68mm BSA threaded
    Q-factor 146mm with Shimano 105 crankset
    Maximum chainring size 2x 53T round; 1x 50T round or 46T oval
    Front derailleur type 28.6mm clamp, bottom pull
    Headset ZS44/28.6 upper, EC44/40.0 lower (optional 20mm extended lower cup included)
    Seatpost diameter Ø27.2mm
    Seatpost clamp Ø29.8mm
    Front/rear hub standard 100x15mm thru axle / 142x12mm thru axle
    Front/rear axle Ø15x100mm front, TP=1.5, TL=15mm / Ø12x180mm rear, TP=1.5, TL=12mm
    Derailleur hanger Tuning Chip Right Dropout
    Rear brake (rotor) flat mount (160mm)
    Front brake (rotor) flat mount native (160mm)
    Fork axle-to-crown 400mm (can be used with included 20mm extended headset cup)
    Fork offset 47mm
    Bare frame weight (M) 2150g
    Fork weight (Lithic Hiili) 490g
    Tire clearance (frame) 40mm at 420mm chainstay position, 50mm at 430/440mm chainstay position
    Tire clearance (fork) Max Clearance 29x2.1" (54-622)
    S M L XL
    Recommended rider height 5'2"-5'7" 5'6-5'11" 5'10"-6'3" 6'2"-6'6"
    Recommended rider inseam 29"-32" 30"-34" 33"-35" 34"-37"
    Effective top tube 546mm 560mm 583mm 605mm
    Nominal head tube angle 71° 71.5° 71.5° 71.5°
    Tuning Chip induced head/seat tube angle change ±0.2° ±0.2° ±0.2° ±0.2°
    Head tube length 94mm 107mm 149mm 191mm
    Nominal seat tube angle 72.5° 72.5° 72.5° 72.5°
    Seat tube length 475mm 510mm 540mm 570mm
    Bottom bracket drop 68-72mm 68-72mm 68-72mm 68-72mm
    Chainstay length 420-440mm 420-440mm 420-440mm 420-440mm
    Wheelbase 1008 - 1028mm 1015-1035mm 1039-1059mm 1062-1082mm
    Trail 71mm 68mm 68mm 68mm
    Fork offset 47mm 47mm 47mm 47mm
    Rigid fork axle to crown length 420mm 420mm 420mm 420mm
    Stack 540mm 555mm 595mm 635mm
    Reach 375mm 385mm 395mm 405mm
    Standover 735mm 764mm 796mm 830mm
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