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BMC 257 Urbanchallenge AL Four 1X11

Original price was: €1,599.00.Current price is: €1,299.00.

With its clean looks, exacting attention to detail and functional integration, the 257 Four is the partner in crime for your daily rides. Its Premium Aluminium frame is light, versatile and powder coated for durability. A powerful kickstand, premium fenders and the intuitive Shimano Deore 1×11 single chainring groupset gives you that joyful elegant feeling of velocity and safety.

We only have Small size

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Swiss Design
Stand out in style with 257’s minimalist yet iconic Swiss Design.

257 bikes use Premium Aluminium and Powder Coating for superior durability.

257 FOUR/FOUR ST is equipped with premium fenders and integrated rear carrier to blend style and functionality. Kickstands further improve ease of use during daily use.

Single chainring drivetrains with 11 speed cassettes provide the gearing range you need in a clean-looking, lightweight and easy-to-use package.

Product Specifications


  • 257 Premium Aluminium Smoothwelded
  • Staggered Top Tube
  • Powder Coat Finish
  • Internal Cable Routing
  • BSA Threaded Bottom Bracket
  • Flat Mount Disc
  • 12x142mm Thru-Axle


  • 257 Premium Aluminium
  • Fender Mounts
  • Flat Mount Disc
  • 12x100mm Thru-Axle

Hubs: CL-712 / RXC-142S
Rims: PFR300
Tires: Pirelli Angel GT – 37mm
Tire Clearance: 42mm (Measured Width)

Gears: 1×11
Chainwheel: FSA Vero Pro 40T
Cassette: SHIMANO Deore 11 spd 11-42T
Chain: SHIMANO Deore 11 spd
Rear Derailleur: SHIMANO Deore 11 spd
Shifters: SHIMANO Deore Rapidfire Plus
Brakes: SHIMANO MT200/RT10 Rotors (160/160)

Handlebar: BMC LSB 03
Stem: BMC RSM01
Seatpost: BMC LSP 02
Saddle: Selle Royal Vivo

Extras: Fenders with Integrated Rack, Lights and Kickstand

Weight: 14 Kg
Weight Limit: 120 Kg
ASTM Classification: Level 2

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