2021 bearclaw Tomahawk Rival 1 Hydraulic
Manufacturer Description
Take it from Chet, and take your bicycling adventures to the next level with TŌWMAK, a genre-defying drop-bar fat bike designed for all-season, all-terrain riding. TŌWMAK takes fat bike technology to another dimension by blending the best of both worlds of high-speed, gravel-centric geometry and unbound, adventure-ready capabilities. Once you cop its feels, TŌWMAK brings to life a sense of adventure you didn’t know you had.
Build Kit
| Frameset | |
|---|---|
| Frame | TŌWMAK Ti 3AL-2.5V |
| Fork | BBCo. Titanium 150 Fat Fork |
| Rear Shock | - |
| Cockpit | |
| Grips | - |
| Handlebars | Whisky No. 7 Alloy 24F |
| Saddle | BBCo. WTB Volt |
| Seatpost | Whisky No. 7 Alloy 0 31.6 |
| Stem | Whisky No. 7 Alloy |
| Brakes | |
| Levers | - |
| Front Brakes | Rival Hydraulic |
| Rear Brakes | Rival Hydraulic |
| Drivetrain | |
| Bottom Bracket | Threaded BSA DUB |
| Cassette | - |
| Chain | SRAM PC-1130 |
| Chain Rings | SRAM X-Sync 30T(options) |
| Crankset | SRAM NX, GX Eagle DUB Fat or RaceFace Turbine CINCH |
| Front Derailleur | - |
| Rear Derailleur | SRAM Rival 1 Long Cage 3.0 |
| Pedals | - |
| Shifters | SRAM Rival 1 Hydraulic |
| Wheels | |
| Front Hub | HED 150x15 |
| Rear Hub | HED 150x15 |
| Spokes | - |
| Front Tire | Terrene Cake Eater (27.5x4.0 or 4.5) |
| Rear Tire | Terrene Cake Eater (27.5x4.0 or 4.5) |
| Tubes | - |
| Front Wheel | HED Big Aluminum Deal 27.5 |
| Rear Wheel | HED Big Aluminum Deal 27.5 |
Geometry
| 51 | 52.5 | 54 | 55.5 | 57 | 58.5 | 60 | 62 | |
|---|---|---|---|---|---|---|---|---|
| BB Drop ? | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 |
| BB Height ? | - | - | - | - | - | - | - | - |
| Chainstay Length ? | 450 | 450 | 450 | 450 | 450 | 450 | 450 | 450 |
| Crank Length | 170 | 170 | 170 | 175 | 175 | 175 | 175 | 175 |
| Fork Length | 468 | 468 | 468 | 468 | 468 | 468 | 468 | 468 |
| Fork Rake Offset ? | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 |
| Front Center | - | - | - | - | - | - | - | - |
| Handlebar Width | - | - | - | - | - | - | - | - |
| Headtube Angle ? | 69 | 69.5 | 70 | 70 | 70 | 70 | 70 | 70 |
| Headtube Length ? | 110 | 120 | 130 | 140 | 150 | 160 | 170 | 190 |
| Reach ? | 380.4 | 387.9 | 388 | 395.2 | 402.4 | 409.6 | 416.8 | 432 |
| Saddle Width | - | - | - | - | - | - | - | - |
| Seatpost Length | - | - | - | - | - | - | - | - |
| Seat Tube Angle ? | 74 | 73.5 | 73.5 | 73.5 | 73.5 | 73.5 | 73.5 | 73.5 |
| Seat Tube Length ? | 510 | 525 | 540 | 555 | 570 | 585 | 600 | 620 |
| Stack ? | 591.3 | 602.9 | 614.5 | 623.9 | 633.3 | 642.7 | 652.1 | 670.9 |
| Standover Height | - | - | - | - | - | - | - | - |
| Stem Length | 60 | 70 | 70 | 80 | 80 | 90 | 90 | 100 |
| Top Tube Length ? | 550 | 560 | 570 | 580 | 590 | 600 | 610 | 630.7 |
| Trail | - | - | - | - | - | - | - | - |
| Wheelbase | 1069.3 | 1079.6 | 1079.9 | 1095.6 | 1106.2 | 1116.9 | 1127.5 | 1149.5 |
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