The OT-RS900 Shift Outer Casing helps ensure smooth shifting action of the rear derailleur thanks to its superior construction and materials. Features Polymer coated stainless steel inner wire leaves a smooth surface for low friction and reduced sliding resistance providing a lighter quicker shifting operation. Outer casing is lubricated internally along its length with low-friction silicone grease to reduce cable friction. OT-RS900 outer casing has added compliance to allow for new road Shadow mech design requirements.. Length: 170mm or 240mm.
Best Price: £1.99 from Merlin Cycles