ANCLLO Mountain Bike Chainring Guard, Aluminum Alloy Easy Install Tooth Guard Crankset Wheel Disk Cover For 32 34T Sprockets

MATERIAL: aluminum alloy. Made of premium aluminum alloy, durable and reliable. The ergonomic round design creates more stampede traction,which relieve the fatigue of leg or knee and ensures a smooth cycling. This product uses standard precision machining to ensure perfect gear closure, long life and reduce friction and noise. The ergonomic round design creates more stampede traction,which relieve the fatigue of leg or knee and ensures a smooth cycling. Easy to install and fits perfectly the 104mm BCD bike,compatible with 9 speed bikes,only takes you few minutes to install without any installation guide.