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    Waheela C

    The Ultimate GRAVEL machine

    Versatility Meets Performance

    The Waheela C is a carbon-framed drop bar bike with an adjustable geometry, unrivaled ride quality, and enormous tire clearance for 700c x 54mm, 650b x 54mm, or 29" x 2.1" tires. It has extra mounting points for bottles and racks, easily accessible internal cable routing options, compatibility for 1x or 2x electronic or mechanical drivetrains, and the ability to run a dropper post. No matter the road ahead (or under tire), the Waheela C is ready.

    GIANT TIRE CLEARANCE

    Gravel comes in all shapes and sizes, from the packed limestone of Southeast Minnesota to the chunky roads of the Flint Hills of Kansas. The Waheela C is equipped with tire clearance to handle the terrrain of your next race. Where most gravel bikes can fit 650b x 50mm but only 40mm with bigger wheels, the Waheela C keeps on rolling, with space for 700c x 54mm tires. It'll run 700c x 35mm when the roads are tacky and tidy, 700c x 42mm when there's a bit more uncertainty, 700c x 54mm when the gravel road turns to ATV trails, and anything in between. The Waheela C can also fit 29" x 2.1", 27.5" x 2.1", or 650b x 54mm if 700c isn't really your thing. In short, the Waheela C is ready for the road ahead.

    ADJUSTABLE GEOMETRY

    Like all Otso bikes, the Waheela C sports our patented Tuning Chip rear dropout system, which allows you to change the length of your wheelbase and height of your bottom bracket. Put the Tuning Chip in the back position to get the stability and comfort of a longer wheelbase for a full day of riding gravel. Switch to the front position to get the agile handling and responsiveness required by your next CX race. And the middle position? That's the best of both worlds. The adjustable geometry of the Waheela C allows you to ride any road or any trail without needing to switch bikes.

    UNRIVALED RIDE QUALITY

    Our proprietary Waheela geometry was developed by our engineers for stability, confidence, and comfort on rough terrain. Where many gravel bikes put extra weight on the front wheel, the Waheela C centers the rider over both wheels. This makes for a more stable ride while allowing the compliant rear triangle to come into play and absorb the bumps of a gravel road. Meanwhile, the lightweight EPS molded carbon frame adds responsiveness and readiness for a sprint up that next hill. After a long day on the saddle, you'll find yourself adding a healthy amount of miles to tomorrow's ride.

    AND MUCH MORE

    EXTRA MOUNTING POINTS

    Waheela C features extra downtube mounting points (6 total), as well as top tube gas tank mounting points. 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. This also allows you to run that dropper post you've been dreaming about.

    COMPATIBLE WITH 1X OR 2X

    Waheela C is 1x and 2x compatible with mechanical and electronic drivetrains. It's also fully compatible with both Shimano Di2 and SRAM eTap AXS, in case you don't want to take advantage of internal routing options.

    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 5 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 GRX 810, 11 speed
    Front derailleur Shimano GRX, braze-on mount
    Shifters Shimano GRX 600 mechanical, 11 speed
    Cassette Shimano HG700, 11-34t, 11 speed
    Brakes Shimano GRX 600 Hydraulic
    Cranks Shimano GRX 600, 46/30t
    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 34.9mm
    Seat WTB Volt 142mm, Custom for Otso
    Wheels DT Swiss C 1800 SPLINE, 100x15mm front and 142x12mm rear hub spacing
    Tires Panaracer Gravel King SK 700x38
    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) Clearance for tires up to 53 mm wide in 650b or 29" (most 2.1" tires) 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