Truvativ Xguide MRP Chain Guide BB 39-42T White

For chain consistency and control in technical situations, TruVativ teamed up with chain guide masters MRP to bring you the 2X10 X-Guide. It features an aluminum back plate and MRP's replaceable Skid Plate design so its amazingly lightweight, yet can take a beating. The lower guide, along with a sealed bearing pulley provides excellent chain retention in the roughest terrain.

• Replaceable Skid Plate Design, lightweight chainring protection
• Lower guide and new sealed bearing pulley system combined with SRAM front derailleur keeps chains in check
• Low profile design compatible with SRAM 2X10 chain line