257 AL AMP ONE ST
257 AL AMP ONE ST
257 AL AMP ONE ST

257 AL AMP ONE ST


Color: Powder Steel Blue
Model Year: 2025 Edition

BMC Archive Product

257 AL AMP ONE ST

Parts & Accessories

Technical Overview

Frameset

Frame:
257 AMP Premium Aluminium | Smoothwelded | Integrated Battery | Internal Cable Routing | Powder Coat Finish | Flat Mount Disc | Internal Gear Hub dropouts

Fork:
257 Premium Aluminium | Fender Mounts | Post Mount Disc | 12 x 100mm Thru-Axle

E-System

Drive Unit:
Bosch Performance CX Smart System

Battery Pack:
Bosch PowerTube | 625 Wh | Certified by Intertek Testing Services NA, Inc.

Display:
Bosch Kiox 300

Drive Unit Control:
Bosch Led Remote

Charger:
Bosch 4A Charger

Cockpit

Stem:
ICS MTT x Redshift Suspension Stem | Integrated Cockpit System Technology

Handlebar:
BMC LSB 01

Seat

Seatpost:
BMC LSP 02

Saddle:
Selle Royal Vivo Women's

Drivetrain

Crankset:
Miranda Classic x Bosch | Gates CDX

Chainrings:
46T

Cassette:
Gates CDX

Cassette Size:
22T

Chain:
Gates Belt 113 CDN

Shifters:
SHIMANO Alfine (SL-S7000) | Rapidfire Plus

Gears:
1 x 8

Brakes

Brake Levers / Calipers:
TEKTRO TRP HD-EU832

Rotors:
TEKTRO RC01E

Rotor Size (F/R):
180 / 160mm

Wheels

Rims:
E-SRX30

Hubs (F/R):
CL-712 | SHIMANO Alfine 8

Tires:
Pirelli Angel GT | 37mm

Additional Information

Tire Clearance:
42mm measured tire

ASTM Classification:
Level 2

System Weight Limit:
120kg

General Product Safety Regulation (GPSR):
Safety Instructions GPSR (EU)
Responsible person according to GPSR (EU)

Size S M
Rider Height 160 - 172 170 - 184
Reach 424 420
Stack 590 640
Bar Sweep
Bar Width 680 680
BB Drop 67 67
Crank Length 170 170
Fork Length 408 408
Fork Rake 45 45
Front Center 665 679
Head Tube 165 217
Head Tube Angle 70 70
Rear Center 428-441 428-441
Seat Angle 75° 75°
Seat Tube 450 450
Seatpost Length 350 400
Seatpost Offset 15 15
Standover Height 649 672
Stem Angle
Stem Length 72 80
Top Tube 582 591
Trail 75 75
Wheelbase 1084-1097 1098-1111