Otso’s Waheela C Gets New Specs and Fresh Paint 2020

We’re all stuck at home dreaming about how are cancelled gravel races may have gone, at least we’ve still got socially isolated outdoor rides and Zwift keeping us going. That, and new bike releases. Otso’s flagship gravel bike, the Waheela C, just got some fresh paint and an upgraded build spec for 2020.

The Waheela C is available as a frame, fork, and headset for $2,550, or as a complete bike with Shimano GRX for $3,600. More info at

Otso Waheela C Frame Specs

Bottom bracket standard68mm BSA threaded
Q-factor146mm with Shimano 105 crankset
Maximum chainring size2x 53T round; 1x 50T round or 46T oval
Front derailleur typeBraze-On, bottom pull
HeadsetZS44/28.6 upper, ZS56 lower
Seatpost diameterØ30.9mm
Seatpost clampØ34.9mm
Front/rear hub standard100x15mm thru axle / 142x12mm thru axle
Front/rear axleØ15x100mm front, TP=1.5, TL=15mm / Ø12x180mm rear, TP=1.5, TL=12mm
Derailleur hangerTuning Chip Right Dropout
Rear brake (rotor)flat mount (160mm)
Front brake (rotor)flat mount (160mm)
Fork axle-to-crown420mm
Fork offset47mm
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 29×2.1″ (54-622)

Otso Waheela C Build

FrameCarbon with Tuning Chip ® dropout system
ForkLithic full carbon fork, 15mm thru-axle
HeadsetWolf Tooth Precision Headset
Rear derailleurShimano GRX 810, 11 speed
Front derailleurShimano GRX, braze-on mount
ShiftersShimano GRX 600 mechanical, 11 speed
CassetteShimano HG700, 11-34t, 11 speed
BrakesShimano GRX 600 Hydraulic
CranksShimano GRX 600, 46/30t
Bottom bracketShimano english thread BSA, Ø68mm
HandlebarLithic Corundum aluminum compact drop with 16 ° flare
Bar TapeCork handlebar tape, black
Stem6061 aluminum
Seatpost6061 aluminum
Seatpost ClampWolf Tooth 34.9mm
SeatWTB Volt 142mm, Custom for Otso
WheelsDT Swiss C 1800 SPLINE, 100x15mm front and 142x12mm rear hub spacing
TiresPanaracer Gravel King SK 700×38
ChainShimano HG-11X
Frame SizesS, M, L, XL
Weight (size M)20.6 lbs (9.3kg) set up tubeless

Otso Waheela C Geometry

Recommended rider height5’2″-5’7″5’6-5’11”5’10”-6’3″6’2″-6’6″
Recommended rider inseam29″-32″30″-34″33″-35″34″-37″
Effective top tube546mm560mm583mm605mm
Nominal head tube angle71 °71.5 °71.5 °71.5 °
Tuning Chip induced head/seat tube angle change ±0.2 ° ±0.2 ° ±0.2 ° ±0.2 °
Head tube length94mm107mm149mm191mm
Nominal seat tube angle72.5 °72.5 °72.5 °72.5 °
Seat tube length475mm510mm540mm570mm
Bottom bracket drop68-72mm68-72mm68-72mm68-72mm
Chainstay length420-440mm420-440mm420-440mm420-440mm
Wheelbase1008 – 1028mm1015-1035mm1039-1059mm1062-1082mm
Fork offset47mm47mm47mm47mm
Rigid fork axle to crown length420mm420mm420mm420mm


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