MRP 1x CS Upper Chain Guide
Benefitting from MRP’s more than 20 years of experience, the 1x CS Upper Chain Guide takes its design from its popular V3 model, bringing you lightweight and robust chain retention on the roughest cross country (XC) trails. The ideal addition to enhance your 1×10,1×11 or 1×12 speed drivetrain, it’s made with a durable composite backplate and silent operating nylon guide for smooth, distraction-free operation. Perfect for combining with narrow/wide chainrings (including oval types) and “clutch” type rear derailleurs, this easy to install component ensures your chains always stays in place, no matter how rough your ride gets.
Features:
- Material: Backplate: Glass-filled Composite; Upper Guide: Nylon with soft interior
- Frame Fitment: Separate ISCG-05 (Two-bolt ISCG-05 mount backplate) or S3/E-Mount options
- Chainring Size Compatibility: 28-34T range (oval compatible up to 32T)
- Use: Cross Country (XC), Trail
- Adds security to “narrow/wide” 1×10/11/12-Speed and SRAM XX1/X01 11/12-Speed drivetrains
- Co-moulded “TR” upper guide with softer durometer interior for silent guidance
- Tracked and grooved upper guide/backplate interface increases stiffness and eases installation
- Perfect for “clutched” drivetrains
- Compatible with chainlines 49mm and wider
- Oval chainring compatible
- Boost compatible
- No crank or chainring removal required for installation
- Mounting hardware included and install possible with just a single 4mm Allen wrench
- Weight: 40g (ISCG-05 option)
Buy MRP Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.





Reviews
There are no reviews yet.