CeramicSpeed Wheel Bearing Kit - Zipp-7 (77/177 Hubs)CeramicSpeed cartridge bearing kits for wheels is an upgrade option that provides extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings. Grade 3 Silicon Nitride balls Hardened races Reinforced polyamide cage and non contact seals Hand built in Denmark High resistance to poor lubrication Fits 2015 & forward (77 177 hubs) + Mid 2018 & forward NSW Rim Brake

Length: 275

Only compatible with SRAM 11-speed eTap derailleurs (fits up to 32t cassettes)

a pad spreader spring

Aluminum backed organic pad is quiet and lightweight

Smoother driving even over bumpy terrain

reducing friction and wear

Proprietary Thread-Mount design specifically for use with XX SL Power Meter spiders

In extreme cases

5 (4 hole)

Features Shimano's SIL-TEC surface treatment: SIL-TEC is an advanced plating process that improves system performance through the use of imbedded flourine molecules

this hanger protects your frame from damage caused by impacts or derailleur stress

Perfect companion for StripChip to wax your chain in a single