Surly Mr. Whirly Spindle for 68mm BB Shells 47.5mm Chainline. Surly Mr. Whirly Spindles.
100% CroMoly steel
Proprietary dimensions and spline for use only with Surly Mr. Whirly cranks
Shipping & Delivery
All new bikes are in-store pickup only, all bikes on closeout are available to ship. See shipping at checkout for more details.