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    Waheela C

    Gravel racing and so much more

    Performance and versatility without compromise

    Waheela® C finishes what Waheela S started. It's a no-nonsense gravel killer from a straight-talking, engineering-driven brand.

    Choose your own adventure with our new Waheela C. Set it up with 29 x 2.1” to ride dirt singletrack, 650b x 53 to grind even the sketchiest of gravel sections, 700c x 28 slicks for your weekly group road ride, or anything in between. This versatility, of course, is made possible by our Tuning Chip dropout system, which allows the wheelbase to be lengthened or shortened by up to 20mm to accommodate your riding style without compromising handling.

    As you might’ve guessed, the C in Waheela C stands for carbon. While gravel racing requires long hours in the saddle at a steady pace, your bike also needs to be ready to crush punchy climbs and sudden sprints. This is where the Waheela C excels—aggressive geometry, comfortable for all 100+ miles, responsive and snappy for sprinting away from the lead group.

    Staying true to our adventure cycling roots, we also equipped the Waheela C with added features for all sorts of extended backcountry riding. You’ll find three bottle mounts (with extra mounting points on the down tube), fender mounts, rack mounts, and mounting points on the top tube for adding a fuel tank bag because snacks are important. Simply put: this is a versatile bike that’ll handle whatever you throw at it.

    INSPIRED GEOMETRY

    Waheela C is optimized for improved stability and confidence on rough terrain.

    Rider Position

    The rider is centered over the wheels, which places less weight on front wheel compared to most other gravel bikes.

    Stack & Reach

    Progressive stack and reach design allows us to cover a full range of rider sizes with only four different frame sizes.

    Head & Seat Tube Angles

    Consistent head and seat tube angles across all frame sizes provides the same great experience for riders of all sizes.

    Waheela C is not a drop bar mountain bike. It’s a gravel-grinding beast that can clear 29x2.1 tires.

    SUSPENSION CORRECTED

    Waheela is designed around a 420mm axle-to-crown fork so it handles optimally with both our rigid fork and gravel suspension forks.

    EPS MOLDED CARBON

    Our lightweight, smooth, and uniform carbon layup is better than most and equal to the best quality frames from any other company.

    TUNING CHIP

    The Tuning Chip® system provides 20mm of chainstay length and 4mm of bottom bracket height adjustment, allowing you to adapt the bike to different tire sizes and riding styles.

    AND SO MUCH MORE ...

    PUT SOME BOWS ON IT

    Waheela C’s bowed seat stays provide vertical compliance, which is essential to comfort. This is design feature is not only visually apparent, but something you will definitely feel in the ride quality.

    MOUNT UP

    Waheela C features extra downtube mounting points (6 total), as well as top tube gas tank mounting points.

    READY FOR ANY DRIVETRAIN

    Waheela C is 1x and 2x compatible for mechanical and electronic drivetrains. It's also fully compatible with both Shimano Di2 and SRAM eTap AXS.

    MASSIVE TIRE CLEARANCE

    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.

    HAVE RACKS? WILL TRAVEL

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

    DETAILS THAT MATTER

    Internal brake and shifter routing with sleeves, carbon access door under bottom bracket for easier routing, front and rear thru-axle, and threaded bottom bracket for reliable, easy service.

    HIP TO THE DROP

    Waheela C is compatible with internal routing dropper seat posts (30.9 for more choices).

    QUALITY ASSURED

    Designed by the Otso engineering team, Waheela C frames are manufactured in one of the premiere carbon fiber factories in Taiwan and come with a two-year limited warranty. All bikes are inspected and assembled at our headquarters in Minneapolis, MN USA.

    TECHNICAL DETAILS

    • Base Build
    • Frame Specs
    • Geometry
    • Tires & Rims
    Frame Carbon 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, braze-on mount
    Shifters Shimano 105 mechanical, 11 speed
    Cassette Shimano 105, 11-32t, 11 speed
    Brakes Shimano 105 R7020 Hydraulic
    Cranks Shimano RS510, 50/34
    Bottom bracket Shimano english thread BSA, Ø68mm
    Handlebar Lithic Corundum aluminum compact drop with 16° flare
    Grips Cork handlebar tape, black
    Stem 6061 aluminum
    Seatpost 6061 aluminum
    Seatpost Clamp Wolf Tooth 29.8mm
    Seat WTB, Custom for Otso
    Wheels DT Swiss C 1800 SPLINE, 100x15mm front and 142x12mm rear hub spacing
    Tires Terrene Elwood 700x40 Light
    Chain Shimano HG-11X
    Frame Sizes S, M, L, XL
    Weight (size M) 20.6 lbs (9.3kg) 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 Braze-On, bottom pull
    Headset ZS44/28.6 upper, ZS56 lower
    Seatpost diameter Ø30.9mm
    Seatpost clamp Ø34.9mm
    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 (160mm)
    Fork axle-to-crown 420mm
    Fork offset 47mm
    Bare frame weight (M) 1024g
    Fork weight (Lithic Hiili 420) 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 541mm 555mm 595mm 635mm
    Reach 375mm 385mm 395mm 405mm
    Standover 737mm 765mm 798mm 831mm

    Coming soon