257 FOUR ST | BMC | bikes | Lifestyle, Lifestyle | Urban

257 FOUR ST

Grey

BMC Archive Product

257 FOUR ST

Parts & Accessories

Technical Overview

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:
40T

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 Cycl-e GT | 37mm

Additional Information

Tire Clearance:
42mm

ASTM Classification:
Level 2

System Weight Limit:
120kg

SizeSM
Rider Height<170170-185
Reach390420
Stack590640
Bar Drop
Bar Reach
Bar Rise
Bar Sweep
Bar Width600600
Base Bar Drop Flat Cockpit
Base Bar Drop V-Cockpit
Base Bar Reach Flat Cockpit
Base Bar Reach V-Cockpit
BB Drop6767
BB Drop (SLACK)
BB Drop (STEEP)
BB Height (SLACK)
BB Height (STEEP)
Chainstay
Crank Length170170
LT | BB Drop (SLACK)
LT | BB Drop (STEEP)
LT | BB Height (SLACK)
LT | BB Height (STEEP)
LT | Chainstay
LT | Fork Length
LT | Fork Rake
LT | Frame Size
LT | Front Center (SLACK)
LT | Front Center (STEEP)
LT | Head Tube
LT | HT Angle (SLACK)
LT | HT Angle (STEEP)
LT | Reach (SLACK)
LT | Reach (STEEP)
LT | Rider Height
LT | Seat Tube
LT | ST Angle @750mm Saddle Height (SLACK)
LT | ST Angle @750mm Saddle Height (STEEP)
LT | ST Angle Actual (SLACK)
LT | ST Angle Actual (STEEP)
LT | ST Angle Effective (SLACK)
LT | ST Angle Effective (STEEP)
LT | Stack (SLACK)
LT | Stack (STEEP)
LT | Stand Over Height (80 in Front of BB)
LT | Stand Over Height (Lowest Point)
LT | Top Tube (SLACK)
LT | Top Tube (STEEP)
LT | Wheelbase (SLACK)
LT | Wheelbase (STEEP)
ST | BB Drop (SLACK)
ST | BB Drop (STEEP)
ST | BB Height (STACK)
ST | BB Height (STEEP)
ST | Chainstay
ST | Fork Length
ST | Fork Rake
ST | Frame Size
ST | Front Center (SLACK)
ST | Front Center (STEEP)
ST | Head Tube
ST | HT Angle (SLACK)
ST | HT Angle (STEEP)
ST | Reach (SLACK)
ST | Reach (STEEP)
ST | Rider Height
ST | Seat Tube
ST | ST Angle @750mm Saddle Height (SLACK)
ST | ST Angle @750mm Saddle Height (STEEP)
ST | ST Angle Actual (SLACK)
ST | ST Angle Actual (STEEP)
ST | ST Angle Effective (SLACK)
ST | ST Angle Effective (STEEP)
ST | Stack (SLACK)
ST | Stack (STEEP)
ST | Stand Over Height (80 in Front of BB)
ST | Stand Over Height (Lowest Point)
ST | Top Tube (SLACK)
ST | Top Tube (STEEP)
ST | Wheelbase (SLACK)
ST | Wheelbase (STEEP)
Fork Length408408
Fork Rake4545
Frame Size
Front Center632680
Front Center (SLACK)
Front Center (STEEP)
Head Tube165219
Head Tube Angle7070
HT Angle (SLACK)
HT Angle (STEEP)
Pad Reach Flat Cockpit
Pad Reach V-Cockpit
Pad Stack Flat Cockpit
Pad Stack V-Cockpit
Reach (SLACK)
Reach (STEEP)
Rear Center440440
Saddle Height Range
Seat Angle7474
Seat Tube450500
Seatpost Drop
Seatpost Length350350
Seatpost Offset1515
ST Angle @750mm Saddle Height (SLACK)
ST Angle @750mm Saddle Height (STEEP)
ST Angle Actual (SLACK)
ST Angle Actual (STEEP)
ST Angle Effective (SLACK)
ST Angle Effective (STEEP)
Stack (SLACK)
Stack (STEEP)
Stand Over Height (80 in Front of BB)
Stand Over Height (Lowest Point)
Standover Height644653
Stem Angle±8±8
Stem Length
Top Tube559603
Top Tube (SLACK)
Top Tube (STEEP)
Trail7575
Wheelbase10631111
Wheelbase (SLACK)
Wheelbase (STEEP)