Freewheel Cassette, 8 Speed Bicycle Sprocket for Mountain Bike Replacement, Durable Rust-Resistant Wear-Resistant Hollow-Out Design Lightweight Smooth Operation Quiet Cycling

• PREMIUM MATERIAL: Constructed of high strength metal, anti-rust, non-deformation, wear-resistant, high performance of durability.
• KEEP SMOOTH: High precision thread ensures close connection with the bike hub and smooth operation.Reliable to use, applicable to mountain bike freewheel.
• HELPFUL FOR CYCLING: It can promise smooth rotation of chain without much noise, providing fast riding speed with less effort needed.
• HOLLOW-OUT DESIGN: Hollow out design reduces much weight to lessen the burden of long time cycling.
• GUARANTEE:If you are not satisfied with our product received, you can apply for unconditional return and refund within 180 days.

Description Features: PREMIUM MATERIAL: Constructed of high strength metal, anti-rust, non-deformation, wear-resistant, high performance of durability. KEEP SMOOTH: High precision thread ensures close connection with the bike hub and smooth operation.Reliable to use, applicable to mountain bike freewheel. HELPFUL FOR CYCLING: It can promise smooth rotation of chain without much noise, providing fast riding speed with less effort needed. HOLLOW-OUT DESIGN: Hollow out design reduces much weight to lessen the burden of long time cycling. Specification: Material: Aluminium alloy Weight: 383g/13.5oz Surface treatment: silver chrome treatment Variable speed: 8 speed Teeth: 11T-28T Size: 11.3 * 11.3cm / 4.4 * 4.4in Package List: 1 x Bike Freewheel Set