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Tonton

Bred for winter in the Rockies — The all-new Tonton V2 is the fat bike for mountain bikers

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Modern
Angles

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Size Specific
Geometry

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Narrow
Q Factor

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3D Printed
Yokes

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Universal
Derailleur Hanger

 

Choose Your Build

Select a build

Select a size

Fully-built-up TAUNTAUN steel hardtail fat bike.

 

  Comp — $5,200 ⭑ Pro — $7,000
Frame Tonton Steel Tonton Steel
Suspension Suspension Suspension
Fork Mastodon Comp 120mm Mastodon Pro 120mm ⭑
Shock - -
Brakes Brakes Brakes
Brakes Sram Code R Sram Code RSC ⭑
Brake Rotors Sram Centerline 6B 200mm/180mm Sram HS2 6B 200mm/180mm ⭑
Drivetrain Drivetrain Drivetrain
Derailleur Sram GX 12s Sram GX 12s
Shifter Sram GX 12s Sram GX 12s
Cranks Sram GX 30T (XS-M: 165mm, L-XL: 170mm) Sram GX 30T (XS-M: 165mm, L-XL: 170mm)
Cassette Sram GX 12s 50T Sram GX 12s 50T
Bottom Bracket SRAM DUB British 100mm External Cup BB 28.99mm SRAM DUB British 100mm External Cup BB 28.99mm
Chain Sram GX 12s Sram GX 12s
Tensioner / Guide - -
Controls Controls Controls
Handle Bar OneUp Alloy 35mm 35mm OneUp Carbon 35mm 35mm ⭑
Stem OneUp 35mm 42mm Length OneUp 35mm 42mm Length
Grips OneUp Slim Black OneUp Slim Black
Headset Cane Creek 40 ZS44/ZS56 Cane Creek 70 ZS44/ZS56
Saddle WTB Koda Steel M WTB Koda Chromoly ⭑
Dropper Post OneUp V2 (XS: 150mm, S: 180mm, M-L: 210mm, XL-XXL: 240mm) OneUp V2 (XS: 150mm, S: 180mm, M-L: 210mm, XL-XXL: 240mm)
Dropper Lever OneUp V3 OneUp V3
Wheels Wheels Wheels
Front Wheel SunRingle Mulefut 80 27.5" 15x150mm SunRingle Mulefut 80 27.5" 15x150mm
Rear Wheel SunRingle Mulefut 80 27.5" 12x197mm SunRingle Mulefut 80 27.5" DT 350 Hub 12x197mm ⭑
Tires Front/Rear Terrene Yippee Ki Yay 27.5x4.3" Studdable 45NRTH Wrathchild 27.5x4.5" 120tpi 252XL Studs ⭑
  XS S M L XL XXL
A Reach 420mm 440mm 460mm 480mm 500mm 520mm
B Stack 639mm 639mm 648mm 657mm 666mm 666mm
C Head Tube Length 110mm 110mm 120mm 130mm 140mm 140mm
D Head Tube Angle 64° 64° 64° 64° 64° 64°
E Front Center 756mm 776mm 801mm 825mm 850mm 869mm
F Wheel Base 1196mm 1216mm 1241mm 1275mm 1300mm 1319mm
G Rear Center 440mm 440mm 440mm 450mm 450mm 450mm
H Bottom Bracket Drop 66mm 66mm 66mm 66mm 66mm 66mm
I Bottom Bracket Height 324mm 324mm 324mm 324mm 324mm 324mm
J Seat Tube Angle 76° 76° 76° 76° 76° 76°
K Seat Tube Length 362mm 382mm 400mm 422mm 432mm 442mm
L Bike Standover 720mm 720mm 724mm 738mm 737mm 731mm
M Effective Top Tube Length 573mm 594mm 616mm 639mm 661mm 681mm
N Offset 51mm 51mm 51mm 51mm 51mm 51mm
O Axle To Crown 551mm 551mm 551mm 551mm 551mm 551mm
P Suggested Height 5'0" - 5'4" 5'4" - 5'7" 5'7" - 5'10" 5'10" - 6'1" 6'1" - 6'4" 6'4" +
Frame Material 4130 Chromoly Steel
Wheels Size 27.5"
Fork Size 120mm
Seatpost Diameter 31.6
Headset Size ZS44 Upper / ZS56 Lower
Bottom Bracket Threaded 100mm BSA
Rotors Front / Rear 200mm/180mm
Rear Wheel Spacing 197mm
Crank Chainline 66.5mm
Rear Brake Mount 180mm Post Mount
Derailleur Hanger SRAM UDH

 

Tonton Recipe

The Geometry 

We designed the new Tonton with modernized geometry that is size specific, allowing riders of every shape to fat bike.

A slack head tube angle, longer reach, and short seat tube makes riders feel their most confident on the descent. 

With a steep forward offset seat tube, and shorter chainstays, maximum rear wheel traction is achieved on those nasty climbs.

The Build Kits 

Built for a purpose, each part chosen by the hands of avid fat bikers.

The Tonton is paired with four piston Sram DOT fluid brakes for a consistent brake feel, even in freezing temps.

The Tonton comes with one of the top performing winter forks, the Manitou Mastodon. It is cold weather rated so that you can maximize all 120mm of travel. 

With a slimmed out rear end and more room for Sram’s GX drivetrain, a narrower Q factor that facilitates a more ergonomic pedaling motion has been achieved.

The Build Ingredients

Notorious for its strength while retaining compliance, the Tonton is constructed from high grade 4130 chromoly steel tubes which are laser cut and fused by local red seal welders. 

To get the exact geometry we desired, we applied additive manufacturing techniques to our seat and chainstay yokes. These 3D printing methods allowed us to reduce weight, retain strength, and increase tire clearance.

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