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Shimano Alfine S503 Rapidfire Shifter

Shimano Alfine S503 Rapidfire Shifter
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Shimano Alfine SL-S503 8-Speed Internally Geared Hub Shifter.

- Includes shifter, 2100mm shift cable with housing and cable fixing bolt unit for CJ-8S20 cassette joint
- 22.2mm clamp diameter, Rapidfire shift pod
- Shimano 2-way release feature
- Optical gear display