Proven to be the fastest pulley system, chosen by many of the worlds leading cycling teams and professional triathletes Optimized tooth designs offer 3-5 times longer life than standard OE pulleys Standard: low drag with hardened steel races and ceramic ba
| model | coated |
| compatibility | SRAM 12sp Red, Force, eTap AXS |
| upper/lower | 15/19 tooth |
| color | blue |
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