Feature

●NO ADJUSTMENTS NEEDED: The BBR Tuning Spring Idler Pulley features a heavy duty spring to keep constant chain tension. No longer do you have to keep adjusting your idler to compensate for your chain stretching out.
●HEAVY DUTY SUPPORT: With a heavy duty spring, your chain is locked in place offering better alignment and constant tension. The bracket is thicker steel and a more sturdy design so that your chain is less stressed and can drastically extend the life of your chain.
●EASY INSTALATION: Just unbolt and remove your older idler pulley and bolt your new. No adjusting tension as the spring will keep it perfectly adjusted every time.
●UNIVERSAL FIT: Compatible with 415 heavy duty bicycle engine chains, regular and spring chain tensioner. Works for both 2 stroke and 4 stroke motorized bicycle engines and most standard city bikes, cruisers bikes, beach cruisers, mountain bikes and road bikes.
●INCLUDED COMPONENTS: 1x BBR Tuning Spring Idler Pulley, 1x Mounting Hardware


Description

The Spring Loaded Idler Pulley will maintain consistent pressure on the chain to maximize performance. It will reduce stress on the chain and keep a consistent tension through any ride. This aftermarket performance upgrade comes with all the hardware for installation. Compatible with all 2-stroke 48cc/50cc/66cc/80cc engine kits as well as 4-stroke 50cc engine kits.