Description
MRPs Bang Up To Date System 3 Chain Device. Using Lightweight Anti-friction Guides On The Alloy Back Boomerang Instead Of A Total Inner Plate And A Tough As You Like, 5mm Thick Alloy Outer Plate.
- System 3 Is MRP|s Most Versitile Design And Fits Most Mtb Frame Designs.
- 36-40t Sizing.
- 4 Bolt 104BCD C-ring Fixing.
- Lightweight Alloy Boomerang.
- BB, ISCG Or ISCG-05 Mounting
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