2026 BMC 257 AL Four ST - Powder Metallic Grey
BMCSpecifications
Frameset
Frame:
257 Premium Aluminium | Smoothwelded | Staggered Top Tube | Powder Coat Finish | Internal Cable Routing | Flat Mount Disc | 12 x 142mm Thru-Axle
Fork:
257 Premium Aluminium | Fender Mounts | Flat Mount Disc | 12 x 100mm Thru-Axle
Cockpit
Stem:
BMC RSM 01
Handlebar:
BMC LSB 03
Seat
Seatpost:
BMC LSP 02
Saddle:
Selle Royal Vivo Women's
Drivetrain
Crankset:
FSA Vero Pro
Chainrings:
SHIMANO HG601rings
Cassette:
SHIMANO Deore (CS-M5100)
Cassette Size:
11-42T
Chain:
SHIMANO HG601
Rear Derailleur:
SHIMANO Deore (RD-M5120)
Shifters:
SHIMANO Deore (SL-M5100) | Rapidfire Plus
Gears:
1 x 11
Bottom Bracket:
BSA Threaded Bottom Bracket
Brakes
Brake Levers / Calipers:
SHIMANO MT200 Levers | BR-U300 Calipers
Rotors:
SHIMANO RT10 Rotors
Rotor Size (F/R):
180 / 180mm
Wheels
Rims:
PFR300
Hubs (F/R):
CL-712 | RXC-142S
Tires:
Pirelli Angel GT | 37mm
Additional Information
Tire Clearance:
42mm measured tire
ASTM Classification:
Level 2
System Weight Limit:
120kg
- Frame:
- 257 Premium Aluminium | Smoothwelded | Staggered Top Tube | Powder Coat Finish | Internal Cable Routing | Flat Mount Disc | 12 x 142mm Thru-Axle
- Fork:
- 257 Premium Aluminium | Fender Mounts | Flat Mount Disc | 12 x 100mm Thru-Axle
- Handlebar:
- BMC LSB 03
- Seatpost:
- BMC LSP 02
- Saddle:
- Selle Royal Vivo Women's
- Crankset:
- FSA Vero Pro
- Chainrings:
- SHIMANO HG601rings
- Cassette:
- SHIMANO Deore (CS-M5100)
- Cassette Size:
- 11-42T
- Chain:
- SHIMANO HG601
- Rear Derailleur:
- SHIMANO Deore (RD-M5120)
- Shifters:
- SHIMANO Deore (SL-M5100) | Rapidfire Plus
- Gears:
- 1 x 11
- Bottom Bracket:
- BSA Threaded Bottom Bracket
- Brake Levers / Calipers:
- SHIMANO MT200 Levers | BR-U300 Calipers
- Rotors:
- SHIMANO RT10 Rotors
- Rotor Size (F/R):
- 180 / 180mm
- Rims:
- PFR300
- Hubs (F/R):
- CL-712 | RXC-142S
- Tires:
- Pirelli Angel GT | 37mm
- Tire Clearance:
- 42mm measured tire
- ASTM Classification:
- Level 2
- System Weight Limit:
- 120kg
- Stem:
- BMC RSM 01