5UF 141_z_ RD_h_M58_z_ P_h_tension spring Shimano Spares Silver One size 4524667192381 Parts 4524667192381 Transmissions Spares rdm58_z_ rd m58_z_ rdm 58_z_ p tension one size SPRE RDM58_z_ P_h_tension spring Y5UF141_z__z_ spare Shiamno Simano Shimno Shim