The Greenspeed Floating Power Idler Kit comes complete with a Clamp-On Single-Sided Chain Keeper, a Cat-Eye clamp to hold your chaintube, an Elite or a Sport Power Idler, and the necessary hardware to fit it all together and help optimize your chainline!
Note: On pre-2008 trikes, the idler shaft is 10mm. On 2008 and later trikes, the idler shaft is 8mm. Elite level idlers for 10mm shafts come with ABEC rated 10mm steel bearings. Elite level idlers for 8mm shafts come with 8mm hybrid ceramic bearings.