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 1x11 single chainring groupset gives you that joyful elegant feeling of velocity and safety.

Technical Overview
Full Specifications
Geometry
Technical Details & Manuals
Frame
257 Premium Aluminium Smoothwelded
Staggered Top Tube
Powder Coat Finish
Internal Cable Routing
BSA Threaded Bottom Bracket
Flat Mount Disc
12x142mm Thru-Axle
Fork
257 Premium Aluminium
Fender Mounts
Flat Mount Disc
12x100mm Thru-Axle
Gears
1x11
Chainwheel
FSA Vero Pro 40T
Cassette
SHIMANO Deore CS-M5100 11 spd 11-42T
Chain
SHIMANO Deore CN-HG601 11 spd
Rear Derailleur
SHIMANO Deore RD-M5120 11 spd
Shifters
SHIMANO Deore SL-M5100 Rapidfire Plus
Brakes
SHIMANO MT200 levers. BR-U300 Calipers | SHIMANO RT10 Rotors 180 / 180mm
Handlebar
BMC LSB 03
Stem
BMC RSM01
Seatpost
BMC LSP 02
Saddle
Selle Royal Vivo
Hubs
CL-712 / RXC-142S
Rims
PFR300
Tires
Pirelli Angel GT - 37mm
Tire Clearance
42mm (Measured Width)
Extras
Fenders with Integrated Rack
Kickstand
Weight Limit
120 Kg
ASTM Classification
Level 2