Bike Rear Derailleur Guard Support 4 Pieces Bicycle Rear Derailleur Guard Adjustable Rear Derailleur Protector for Mountain Bike Equipment

Protect the rear derailleur chain: The universal bicycle derailleur guard effectively protects the rear wheel chain from impacts, preventing the front derailleur from deforming or shifting gears while riding. and prevents the chain from deforming or jumping off while riding, thus increasing safety. Unique design: Adjustable bicycle rear derailleur guard, radial and single-hole dome-shaped design, smart rear derailleur chain protection. Universal size: One size fits most mountain bikes, road bikes, and folding bikes. Ensures effective protection of the rear chain. Easy to assemble: Extend the hinge, screw the guard onto the axle, and tighten with the nut to finish. High-quality material: The bicycle rear derailleur guard is made of high-quality iron and has rust-resistant and robust properties that cannot be easily deformed even under strong impact. Note: All data is measured manually; please allow for a 1-3 cm error due to differences in lighting and display. There may be slight color variations; please refer to the actual item received.