- Replacement roller kits for mrp guide systems (includes bearings and hardware) - Lightweight version averages 20g less per roller (with hardware)

- Designed for use with MRP ISCG-05 boomerang chain guide systems - Adapts ISCG-05 compatible chain guide to fit BB-mount (flange/lockring)

- Cover up those unfinished and unused FD mounts with MRP cover plates - Offered in Decapitator version with built-in bottle opener or a standard cover version with MRP logo - Alloy with matching alloy fastener, 12g - Made in Grand Junction, CO USA