Surly Mr. Whirly Crank/Bottom Brackets Sets.
- Complete crankset, assembled; Comes with spindle, bearings and all parts required for installation
- Triple cranks come with aluminum rings, MTB chainline; singlespeed cranks come with Surly stainless steel chainring
- Forged and machined AL-7075; 9-speed compatible
- All armsets utilize 58mm BCD to mount spiders. This BCD remains the granny ring size regardless of spider's larger ring BCD
- Pugsley version inlcudes longer spindle for use with 100mm BB shells; for use with 65mm rims only (larger rims cause chain/tire rub - use Surly MWOD crankset instead)
- Not intended for use on any type of stationary or spin bike
Manufacturer Surly
Manufacturer Part Number CR0037
UPC 708752039766
Model Surly Mr. Whirly
Crankset Style Mountain
BB Crank Interface 24mm Spindle
Crankset Arm Length 180mm
Number of Chainrings
Single
Color
Black
Pedal Spindle
9/16"
Crank Length (mm)
180mm
Crank Intended Use
Single Speed , Mountain
Rings
33
Spindle Interface Type
Surly Mr. Whirly
Drivetrain Speeds
9 , Single Speed 3/32"
Defined Color
Black
Chainring BCD
58 , 94
Weight
815
BB Included
English