You may have seen photos of Truvativ's XO guide a while ago, but now it is official. It is obvious to see that the new XO guide looks very much like an MRP G2SL - that is not a coincidence. Given that chain guides play such a vital role in how a bike's drive train performs, both MRP and Truvativ feel that it only makes sense to pool their resources.br>br>span style='font-size:19px'>Truvativ XO chain guide details:/spanbr>br>- Integrated replaceable skid plate designbr>- Sealed bearing pulley wheel integrated into skid platebr>- Aluminum back platebr>- Available in BB-Mount, ISCG or ISCG 05 mounting standardsbr>- Models to fit 32-36 tooth rings and 36-40 tooth ringsbr>- Black and white color options