Features of the AS31GT rearset: multi-variable rearsets multiple adjustment possibilities for footpeg, shifting-travel, foot-length perfectly CNC-machined for ultra-light weight single or dual carbon heel protectors available for many current bikes; only standard shifting possible Regarding the supply of spare parts: With us the supply of spare parts is connected to the first place. All spare parts can be ordered for most of our products. For this proceed as follows; check the manual which parts are required. The item number from the parts list can be entered directly into the search box. If the manual is no longer available, simply request it here: