BESNIN Chain Guide Mountain Bike Chain Guide Bike MTB Chain Guide Bash Guard Bicycle Chain Protector 7075 Aluminium Alloy
- only for bike with 1x drive systems, for one-piece sprockets..
- Material: aluminum 7075 CNC +ABS .Weight:52g.Features: Durable, Lightweight, Anti-rust.Fashion and simple design,and with nice appearance. Easy to install, do not worry about drop a chain again and double your chain ring life.
- for bicycle tube diameter 31.8 mm to 35 mm washer.We free give the spacer in the accessories,if you feel moves, please add spacers according to the second picture or video..
- Common sense: you occasionally need to check whether the screws are firm, this is for your safety.
- Note: only suitable for ordinary bicycles(bike),mountain bikes, off-road bikes, NOT suitable for bicycles with lithium batteries..