For use with Shimano chainring SM-CRE61

Clamp diameter/bore - 31

The Twist tex base is made up of two plastic plates that are connected with two magnetic screw bolts simply lay the strap or textile in between the plates

the pad is a 6mm thin pad with a TPE gel

It works with 1"

DHaRCO Men's Gravity Long Sleeve Jersey - M - Tropical DH Exclusive For use with Shimano chainringThe DHaRCO Men's Gravity Long Sleeve Jersey is for riders that shred hard. Made from a lightweight and comfortable, quick dry recycled polyester, this jersey has been designed so you can shred the trails all day in comfort. Who's this item for: Perfect for Trail, Freeride, Enduro and DH Riders. It's targeted towards riders looking for a mid range durable and breathable jersey. Sleeve Length: Long Sleeve with mesh side panels to increase airflow Fit