Shimano Alfine SL-S7000-8 Internally Geared Hub Shifter Only compatible with Alfine S7000-8 hubs. 22.2mm clamp diameter, Rapidfire shift pod. Compatible with Alfine S7000-8 hubs only. Includes shifter, 2100mm shift cable with housing and cable fixing bolt unit for CJ-S700-8 cassette joint. Optical gear display. Shimano "top normal" shifting. Shimano 2-way release feature. Drivetrain Speeds: 8.