Shimano Nexus SL-3S41E 3-Speed Revo Shifter for Internally Geared Hub Access Style-Open Top 6 Upper Cup 42mm Primary

6 Upper Cup 42mm Primary Color Green

Anti-slip lever design

0 Length 300 Defined Color Black Spoke Interface Straight Pull

} To convert a Zipp disc wheel to a track axle

Shimano Nexus SL-3S41E 3-Speed Revo Shifter for Internally Geared Hub Access Style-Open Top 6 Upper Cup 42mm PrimaryNexus SL 3S41E Internally Geared Hub ShifterRevoshift 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 Drivetrain Speeds 3 Color Black