FOOT GYM 58mm 5-BOLT Heavy duty single speed chain

Heavy duty single speed chain for track bikes and Fixies

anti-vibration and allows the rider to keep the best position on the saddle

Centerlock 370 hubs with 6-bolt adapters included

Specifically designed for covering the smaller chainrings on 64BCD position

Adjustable design rear carrier

FOOT GYM 58mm 5-BOLT Heavy duty single speed chain7 Foot & Ankle exercises in one device Strengthens muscles & increases stability Treats Plantar Fasciitis, Achilles Tendonitis, & foot pain Rehab for injury or for post surgery recovery Removable ice or heat massage roller 3 different level resistance bands Non slip and antimicrobial foot pad