Funn Zippa Lite MTB Chain Guide, BSA BB Mount, 26T 38T, Bicycle Protector

Tooth Capacity : Compatible with 26T to 38T single (1X) chainring. (not compatible with oval chain ring) Mounting standard : BSA threaded external cup BB, ideal for 1X configuration Quality Production : Precision CNC'd from 6061 alloy with Anodized black and laser etching Perfect Chain Retention : Safely keep your chain from dropping at all times, in all riding conditions Slim Design : Built in lightweight and compact craftsmanship. Offers excellent chain security for you and your riding