Wheels Manufacturing Sealed Bearings ABEC 3 Sealed Cartridge Bearing MR 22378 22x37x8mm Steel MFPN=06-003569 Tourney ST-A070/A073 Right ShifterOptical gear

Tourney ST-A070/A073 Right ShifterOptical gear display

Original equipment on SRAM and Truvativ cranks they also work well with other drive trains

Micro knurling with 24 pins for traction

5mm 11-Speed 48/31t 110/80 BCD Hollowtech II Spindle Interface Black

corresponding to approximately 4 degrees of effective seat tube angle change

Wheels Manufacturing Sealed Bearings ABEC 3 Sealed Cartridge Bearing MR 22378 22x37x8mm Steel MFPN=06-003569 Tourney ST-A070/A073 Right ShifterOptical gearThe Wheels Manufacturing sealed bearing units are very first quality replacement part, and fit most hubs currently in use. TECH SPECS Bearing Grade ABEC 3 Bearing Dimensions 22x37x8mm Material Steel Number MR 22378