If your looking for all the extra edge you can get, these are for you. These high quality rear derailleur pulleys are an excellent upgrade to all factory brand rear derailleurs. Significantly reduce drivetrain friction by up to 60% with these high quality ceramic ball bearings.
- Compatible with ALL Shimano 9/10/11 speed rear derailleurs
- Compatible with All Sram 9/10 speed rear derailleurs
- Super smooth high quality Sealed Titanium Ceramic Bearings- Up to 60% less friction
- ABEC grade 5 Titanium Ceramic sealed bearings
- Rolling Element Material: Full Ceramic Si3N4 Grade 5
- Ti Ceramic Bearing Technology, features proprietary Titanium Nitride coated stainless steel races and cones.
- TiN nano-technology surface treatments fill stainless steel pores making the bearing races smoother, harder, and more durable than standard stainless races.
- This product is lighter, stiffer, smoother and will last longer than other ceramic and steel bearings.
- Smooth & precise shifting
- Quiet Running Drivetrain
- Cogs CNC Machined from 7075 Aluminum Alloy
- Ceramic Bearings are resistant to corrosion
- Ceramic Bearings are 60% lighter than steel
Weight: 8.6 grams each