Shimano Nexus SL-3S41E 3-Speed Revo Shifter for Internally Geared HubThe Shimano Nexus SL 3S41E shifter for internally geared hubs features Shimano's Revoshift technology for easy shifting action. Revoshift offers a low effort rotational shift action that doesn't depend on finger strength and allows riders to keep their hands on the handlebar while shifting The lever also includes an optical gear display, which shows riders what gear position is selected while riding Compatible with Shimano Nexus Inter3 hubs Product