Shop / Frames / TŌWMAK Frame


From: $2,390.00

Build the most shredworthy fat bike the world has ever seen and purchase a TŌWMAK frame from Bearclaw Bicycle Co. TŌWMAK is a high-performance titanium fat frame tailored for all-season speed, adventure, and capability. Widely recognized as the legend’s alternative to “Zwift” and “spin class,” TŌWMAK takes winter training to another dimension. Designed with Bearclaw’s Ultradistance Gravel Friendly Geometry (UGFG), TŌWMAK gives you the fit and feel of a gravel bike but with clearance to fit 27.5×4.5″ or 26×5″ tires. Make it a TŌWMAK frameset with our Ti Fat Fork. This product is for the frame/frameset only (photo shows full build).


TŌWMAK frames have 100mm threaded BSA Standard Bottom Bracket and flat-mount brakes. Additional features of the TŌWMAK frame include:

  • 3AL-2.5V double-butted titanium frame
  • 6AL-4V billet head tube, bb, dropouts, derailleur hanger, and chainstay plate
  • Flat mount brake
  • Internal brake, front, and rear derailleur routing
  • 3 bottle cage mounts
  • Fits up to 27.5×4.5″ or 26×5″ tires 

Builds include our Ti 150×15 fat fork and197x12mm boost thru-axle.

Purchase one today and start your own build or check out more info about TŌWMAK, including BBCo. stock build specs and custom options. Contact us for inquiries.