Diameter Ø (mm): 45

Thumb Protection: Yes

4:1 Diameter: 76

✔ Ventilation panels On the back of cool on hot days

roller pins and washers

REGINA CHAIN 520ORO GB 106C 135EB-ORO/021 Gas Cap Lockable Diameter Ø (mm): 45Larger Diameter Alloy Carbon Steel Pins and Thicker Plates victim Increased Tensile Strength and Fatigue Resistance , Special Extended Bushings Increase The Press Fit Into the Inner Link Plates of the Chain To Ensure A High Resistance to Chain Kinking , Solid Rollers Provide Improved Durability , Shot Peening of Plates, Pins and Rollers to Increase The Fatigue Resistance , All Chains Are Pre Stretched to Increase Fatigue and Wear Resistance , Clip