SIDI Fast 2 Road Shoes - Cement/Ice White 47 ModelNumber=K2617 They are 1" hex drive

They are 1" hex drive interface compatible

Perfect for BMX and track bikes with 1/8 cog thickness

Stainless steel Angular Contact Bearings

Direct-mount design no zip ties needed Model 40 (21+) Front/Rear Front Wheel Size 27

Rutland Gen 2 is made for unpredictable rides so you never have to second-guess your tire choice

SIDI Fast 2 Road Shoes - Cement/Ice White 47 ModelNumber=K2617 They are 1" hex driveThe fast and efficient shoe with tested strength and grip for the most demanding actions. Easy adjustment and a clean design make it even easier and more immediate to use. Plush microfiber upper and anatomical heel construction provide comfort and stability High density resin dial system ensures a secure individually tailored fit Aerolite Carbon Plus Nylon sole with stiffness 5 enhances ergonomics and power transfer Sole inserts and anatomical design