Description
BMC 257 Urban Challenge AL Four Step Thru
Experience the perfect blend of style and functionality with the BMC 257 Urban Challenge AL Four Step Thru. Designed with a premium aluminum frame, this bike offers a lightweight yet robust ride, ideal for navigating urban environments with ease. Its clean aesthetic and attention to detail make it a standout choice for daily commutes or leisurely rides.
- Premium Aluminum frame for a lightweight and versatile ride
- Functional integration for enhanced performance
- Designed for everyday urban adventures
Frameset
- 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
Drivetrain
- Gears: 1x11-speed
- Crankset: FSA Vero Pro, 40T chainring
- Cassette: Shimano Deore (CS-M5100), 11-42T
- Rear Derailleur: Shimano Deore (RD-M5120)
- Shifters: Shimano Deore (SL-M5100) Rapidfire Plus
- Chain: Shimano Deore CN-HG601
- Bottom Bracket: BSA Threaded
Brakes
- Brake Levers: Shimano MT200 hydraulic
- Calipers: Shimano BR-U300 flat mount
- Rotors: Shimano RT10, 180mm front / 180mm rear
Wheels & Tires
- Rims: PFR300
- Hubs (F/R): CL-712 front / RXC-142S rear
- Tires: Pirelli Angel GT, 37mm
- Max Tire Clearance: 42mm (measured width)
Cockpit & Seating
- Handlebar: BMC LSB 03 flat bar
- Stem: BMC RSM01
- Seatpost: BMC LSP 02
- Saddle: Selle Royal Vivo
Extras & Utility
- Accessories: Custom premium fenders with an integrated rear cargo carrier/rack, and a heavy-duty kickstand
- Weight Limit: 120 kg (maximum system weight including bike, rider, and gear)
- Riding Classification: ASTM Level 2 (designed for paved roads and smooth gravel paths)
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