The MRP MXg only guide specifically designed for high-pivot and similar suspension layouts with high chain growth. Silence and efficiency are the key benefits of this chainguide. For use with High-Pivot and similar suspension layoutsFeatures MRP's S5 roller with 14 mini-teeth to keep it spinning smoothly in all conditionsLarge diameter roller reduces the articulation angle of the chain, which yields better efficiency and feel than typical, small guide pulleysAluminum back plate is strong and light weightIntegrated skid provides smooth chain movementConfirmed fit list: Forbidden models: Druid, Dreadnought; Cannondale model: Jekyll; GT model: Force; Devinci models: Chainsaw, SpartanItem SpecificationsChainguide Mount TypeISCG-05ColorBlackDefined ColorBlackMaterialAluminumMaterialCompositeMax Tooth (teeth)32