RollerBoys (jockey Wheels) equipped with low friction ceramic bearings for ultra-smooth glide and exceptional durability.
Compatible with Shimano 7 and 8-speed; Campagnolo 8, 9 and 10 speed; SRAM 9.0 (’97/’98), 9.0SL (’98), 7.0 (’97/’98)and 5.0 (’98/’99).
Topfunktioner:
- Lubricated with special ceramic light oil for extra smoothness
- Composite material provided by EMS Swiss, with 40% glass-fibre
- Complete set of bushings for different shifting systems included
- Ceramic bearings






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