Pair of Shimano ULT/105 R71xx/81xx12V Tripeak Hollow Pulleys - Colors

Pair of Tripeak pulleys with super ceramic bearings 12 and 18 teeth oversize Hollow system Shimano Ultegra/105 R71xx/81xx - 12V

The 12/18 tooth narrow and wide design provides exceptional shifting performance.

The narrow and wide design provides precise chain engagement, both inside and outside the pulleys.

Uses super ceramic bearings for greater performance and reduced friction.

This product is designed, developed and hand-built in Taiwan and offers improved chain friction performance and increased longevity.

These pulley wheels are only compatible with Shimano Ultegra/105 R71xx/81xx - 12V Hollow standard derailleurs

Weight: ± 38g