1Brand new Stainless Steel and Aluminum Alloy quick release skewer for mountain bike or road bicycles. 2Ratcheting system tightens skewers with turns rather than cam. 3Up to 50% more clamping force than standard quick release skewer. 4100/135 designed for mountain bike, and 100/130 for road bicycles. 5Lever can be placed in an ideal position you want.Features: Brand new Stainless Steel and Aluminum Alloy quick release skewer for mountain bike or road bicycles. Ratcheting system tightens skewers with turns rather than cam. Up to 50% more clamping force than standard quick release skewer. 100/135 designed for mountain bike, and 100/130 for road bicycles. Lever can be placed in an ideal position you want.Specification: Type: Black 100/135, Red 100/135 for mountain bike;Black 100/130, Red 100/130 for road bike (optional)Shaft material:Stainless Steel and Aluminum Alloy Lever material: Forging + CNC Aluminium alloy lever high strength Suitable model: Mountain bike or Road bicycle Weight: approx. 152g Package List: 1 x Bike skewer