12T. Narrow Wide tooth profiling ensures ultimate chain retention. Composite material provided by EMS Swiss with 40% glass-fibre mixture. RollerBoys equipped with low friction ceramic bearings for ultra-smooth glide and exceptional durability. Lubricated with special ceramic light oil for extra smoothness. Compatibility: Sram. Material: Grivory EMS.
Best Price: £29.99 from Merlin Cycles
| Stockist | Catalogue Product Name | Price | |
|---|---|---|---|
| BBB BDP-16 RollerBoys Ceramic Sram Jockey Wheels 12T - Black / 11 Speed | £29.99 | Visit Store |
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