The TMD BETA lower frame pad has extended length to control the chain to rear wheel. Special lower plastic pad that mounts under chain slider on the frame. The stock part is made from high drag rubber with a flat surface. Powerlip top increases speed and lowers chain plate drag.
Fits 2011-on RR/RRS & 2015-on XT.
TM Designworks Beta Lower Frame Chain Guide Produced for Beta by TM Designworks of USA
Well, your really hard to communicate with and it takes a long time to get things. I thought you'd have all the items in stock and I'd see them quickly, not the case. Not sure I'll have a choice but next time I try a different supplier.