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- ceramicspeed shimano rx800/ 805 system ospw x in red
- Designed and developed entirely by ceramicspeed, the oversized pulley wheel system for Shimano rx800/805 provides the ultimate optimization of your bicycle's drivetrain. The 13-tooth upper and 19-tooth lower aluminium pulley wheels come fitted with either standard or coated ceramicspeed bearings.Ospw x for Shimano rx800/805 fits cassettes up to 36-tooth (11-36 range).This ospw system reduces friction 35-40% over stock pulley configuration. The oversized pulley wheels have 3-5 longer lifetime than the commonly used standard pulleys on the market. This product offers a 4 years warranty on the non-coated version and 6 years on the coated version.Features:a complete 13/19-tooth ospw systemceramicspeed bearing oil in 15ml dropper bottle