Surly Mr. Whirly Crank Arm Sets are sold without spider or spindle for complete customization.
- Chainrings, and chainring mounting bolts sold separately
- Build it to be the crank you want: single, double, triple or trials
- Armsets include non-drive side bearing adjust cap, drive side PTO bolt & cap, and two sets of spider mounting bolts (one short for spider mounting only, and one long for mounting spider with granny ring)
- Outboard-style bearings must be purchased separately; use Shimano Mtn, Race Face X Type or FSA MegaEXO
- Forged and machined 7075 aluminum
- Not intended for use on any type of stationary or spin bike
Manufacturer Surly
Manufacturer Part Number CR0022
UPC 708752039582
Model Surly Mr. Whirly
Crankset Style Mountain
BB Crank Interface 24mm Spindle
Crankset Arm Length 180mm
Number of Chainrings
Configurable Spider
Color
Black
Pedal Spindle
9/16"
Crank Length (mm)
180mm
Crank Intended Use
Mountain
Spindle Interface Type
Surly Mr. Whirly
Drivetrain Speeds
9 , 10 , Single Speed 3/32"
Defined Color
Black
Chainring BCD
Direct Mount Surly
Weight
605
BB Included
No