Shimano 12 speed Di2 B tension gauge
Has marks for adjusting B tension on 30t and 34t cassette cogs. The top of the gauge is for 28t cassettes. Replaces the paper gauge that comes with the derailleurs (Shimano “GG Adjustment Gauge” Y3GK89600) and I have added a lip to make…
- Pobrania
- 457
- Polubienia
- 24
- Ocena
- 5


































