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- 23 Oct 2014, 10:22pm
- Forum: Bikes & Bits – Technical section
- Topic: 35-54-37.5/35-54-39 bb axle?
- Replies: 2
- Views: 505
If I replace the 128mm ('5T') bb axle on a cheap old hybrid with a 126.5mm ('5S') axle, will I notice any difference? Should I put a 1.5mm spacer between the r/h bearing cup flange and the frame, which would transfer the 1.5mm reduction in length to the l/h side?