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Choose the Speedmax 3D Classic Plus 812 for moving fast in a broad range of snow conditions
37 BB/Frame Interface English BB Shell Width (mm) 73 Spindle Interface Type Surly OD Defined Color Black Type Regular Size 73Mm
Remove fender before using chairlifts that hang/hook bike from front wheel
Upper RevoWrap™ softshell upper with fleece
Color Black Crank Length (mm) 170 Weight 370 Pedal Spindle 9/16" Spindle Interface Type ISIS Designed for ebike Yes Defined Color Black
Surly Snuggnut Chain Tensioner - 12mm Black Each MFPN=11.6218.042.013 Choose the Speedmax 3D ClassicSurly Snuggnut keeps your rear wheel from slipping forward in the dropout under the pedal load from your powerful quads. It's specifically designed for Surly bikes featuring 12mm horizontal vertical slotted dropouts and is particularly suited for singlespeed application. Snuggnut is CNC machined for durability and good looks and shares many design features found on Tuggnut and Hurdy Gurdy. Compatible with 12mm horizontal thru axle dropouts only
