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Fenrir Stainless

The Otso Fenrir is a ride-anywhere bike for bikepacking races and afternoon adventures alike. It can be built with drop bars or with MTB bars and both selections are available as stock build options. A tire clearance of 29” x 2.8” or 27.5” x 3.0” keeps the Fenrir rolling on rough terrain, while extra frame and fork braze-ons are ready to carry gear for days or weeks on the trail. Like all Otso bikes, the Fenrir has adjustable geometry via the patented Tuning Chip rear dropout system that makes the bike as adaptable as its rider.




Stainless Steel

Build Specs
FrameCustom butted austenitic stainless steel frameCustom butted austenitic stainless steel frame
ForkCarbon Enve Mountain Fork, 15mm thru axleCarbon Enve Mountain Fork, 15mm thru axle
HeadsetWolf Tooth Performance HeadsetWolf Tooth Performance Headset
Rear derailleurShimano GRX 810, 11-speedTRP G-Spec TR12, 12-speed
Front derailleurN/AN/A
ShiftersShimano GRX 600, 11-speedTRP G-Spec TR12, 12-speed
CassetteShimano SLX, 11-46T, 11-speedSRAM GX, 10-51T, 12-speed
BrakesShimano GRX 600 hydraulicMagura MT4 hydraulic
CranksRace Face AeffectRace Face Aeffect
HandlebarLithic Corundum aluminum compact drop with 16° flareLithic flat bar
Tape / GripsWolf Tooth Supple Lite Bar TapeWolf Tooth silicone foam grips
WheelsSun Ringle Duroc 30Sun Ringle Duroc 30
TiresMaxxis Aspen 29" x 2.4"Maxxis Aspen 29" x 2.4"
Frame SizesXS, S, M, L, XLXS, S, M, L, XL

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