System-3: rotating outer bashguard with internal delrin guide plates and rollers mounted to a 2-arm boomerang (Mini Me is a smaller version of the System-3). Upper roller prevents chain derailment, lower roller provides chain tension adjustment. Choose alloy, Party Crasher (PC), Party Crasher Lite or carbon fiber bashguard. ISCG, ISCG-05 and BB mounting options, 4B/104 BCD only . ISCG guides can be adapted to standard BB-cup mounting with #MP-430 (sold separately). Features: the Partycrasher basuguard is CNC-machined from a single block of polycarbonate requires ISCG’05 mount tabs on frame or an ISCG’05 adapter plate (MRP does not manufacture an ISCG’05 plate – CH1280 may be used) For all-mountain, freeride and downhill use CNC machined alloy boomerang Injection molded polycarbonate bashguard Urethane rollers Rollers and bashguard are color-matched Simplified boomerang for lower weight and broader compatibility Compatible with standard and elevated chainstay configurations Delrin upper and lower anti-friction guide plates and urethane rollers minimize chain noise Worn System 3 parts are easily replaced

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1. MRP SB-3 Chain Guide MRP Chainguides
2. MRP LRP Chain Guide MRP Chainguides
3. MRP Partycrasher MRP Chainguides
4. MRP System 3 Mini Me Partycrasher Chain Guide, ISCG mount
5. MRP G2 Chain Guide MRP Chainguides