Shimano dura ace 9000 road gear cable setif youre completing a custom road bike build or servicing your shimano drivetrain, this dura ace 9000 gear cable kit has all you need. This pack will ensure you get the absolute best possible performance from your shimano front and rear derailleurs.features includes 1.2mm polymer coated inner wires 1 x 2100mm, 1 x 1800mm, and sp41 outer casing for a complete bike 1 x 1700mm, and all end caps 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 sp 41 outer casing uses a special directional wound construction process makes for an axially stiff cable that transmits shifting movements accurately and quickly outer casing is lined with a polymer sheath to assist with the smooth operation of the inner wirea 2 year warranty is offered with all shimano products from chain reaction cycles 3 years on dura ace and xtr products.buy shimano components from chain reaction cycles, the world's largest online bike store.