BMC 257 AL FOUR - POWDER METALLIC GREY

$1,900.00 $1,499.00 Save $401.00
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Size
SHIMANO Deore 11 spd
Premium Fenders with Integrated Rear Rack
Kickstand

With its clean looks, exacting attention to detail and functional integration, the 257 AL 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. 


  • Stand out in style with 257’s minimalist yet iconic Swiss Design.
  • 257 bikes use Premium Aluminium and Powder Coating for superior durability.
  • 257 FOUR/FOUR ST is equipped with premium fenders and integrated rear carrier to blend style and functionality. Kickstands further improve ease of use during daily use.
  • Single chainring drivetrains with 11 speed cassettes provide the gearing range you need in a clean-looking, lightweight and easy-to-use package.

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

 

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 Angel GT | 37mm

 

Additional Information

Tire Clearance:
42mm

ASTM Classification:
Level 2

System Weight Limit:
120kg

 

Geometry:

Size S M L XL
Rider Height <168 168-180 178-190 >190
Reach 400 415 425 440
Stack 560 590 620 650
Bar Reach 390 420
Bar Width 600 600 600 600
BB Drop 67 67 67 67
Crank Length 170 170 175 175
Fork Length 408 408 408 408
Fork Rake 45 45 45 45
Front Center 631 657 677 703
Head Tube 133 165 197 229
Head Tube Angle 70 70 70 70
Rear Center 440 440 440 440
Seat Angle 74 74 74 74
Seat Tube 480 510 540 555
Seatpost Length 350 350 350 350
Seatpost Offset 15 15 15 15
Standover Height 760 790 819 838
Stem Angle ±8 ±8 ±8 ±8
Stem Length 90 90 100 100
Top Tube 560 584 603 626
Trail 75 75 75 75
Wheelbase 1062 1088 1109 1135

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