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Moustache - Fat 4

The rebel of the family, the Samedi 26 FAT 4 refuses to be pigeonholed. Its only objective is to explore the world, whether it’s icy or hot terrain! It’s wide volume tires offer a superhuman capacity adapted to snow and sand. This season it has a new frame with the integrated 625Wh PowerTube battery to give it new horizons. The powerful Bosch Performance Line CX motor is backed up by specific parts, with adapted gears and cranks. Huge rides and huge amounts of pleasure are waiting to be had!

Price: £4,999

In Stock: Medium


Bike Specification

Frame: FAT 4, 6061 T4-T6 Aluminum, variable thickness hydroformed tubes, tapered headtube 1″1/8-1″1/2, Bosch PowerTube battery integration (Horizontal), compatible with 26 x 4.8 tires, 12x197mm rear hub
Fork: RockShox, Bluto – w/external rebound, Motion Control low speed compression adjust lockout – 100mm travel, 15 x 150mm
Motor: Bosch Performance Line CX 250W motor – 85Nm Torque available on a wide range of speeds, optimized eMTB mode, extended boost function – Compact, lightweight, minimal resistance to pedalling and extreme responsiveness. 250W rated power, Max 600W. Assistance up to 340%
Battery: Bosch, PowerTube 625Wh
Display: Bosch Purion – 5 modes (Eco, Tour, eMTB, Turbo, Off) – « Walk assist »
Rear derailleur: Shimano, Deore, RD-M5100-SGS, 11-speed
Front cog / Chainring: Aluminum 34 teeth Narrow Wide, star specific FAT, 72mm offset
Cassette: Shimano, Deore, CS-M5100-11S, 11-51T
Chain: Sram, PC1110, 11-speed w/Powerlock
Shifters: Shimano, Deore, SL-M5100 Rapidfire Plus
Crankset: Forged aluminum, 170mm, FAT specific, 30mm offset
Brakes: Shimano, MT6120, 4 pistons hydraulic disc brakes
Rotors Front/Rear (in mm): Shimano, 203mm front & rear
Hubs: Cartridge bearings Front= Moustache, 32 holes, 15x150mm, thru axle Rear= Moustache, 32 holes, 12x197mm, thru axle, 11S
Rims: Moustache, Aluminum 6061E, welded, 32 holes, 80mm width
Tires: Front= Maxxis Minion FBF 26×4.80, Tubeless compatible Rear= Maxxis Minion FBR 26×4.80, Tubeless compatible
Warranty: 5 years frame and Moustache Bikes fork – 2 years motor, battery (or 500 cycles) and accessories
Weight: 25.2 kg


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Unit 1 Mini Park, Leeds Road, Huddersfield, HD1 6PA
Unit 1 The Old Goods Yard, St. Mary’s Street, Penistone, S36 6DT

Opening Times

Monday: Closed
Tuesday: 10:00 – 18:00
Wednesday: 10:00 – 18:00
Thursday: 10:00 – 18:00
Friday: 10:00 – 18:00
Saturday: 10:00 – 16:00
Sunday: Closed
Monday: 10:00 – 18:00
Tuesday: Closed
Wednesday: Closed
Thursday: 10:00 – 18:00
Friday: 10:00 – 18:00
Saturday: 10:00 – 16:00
Sunday: 10:00 – 16:00