Brand new pair of 6805 FULL CERAMIC bearings, specially customized narrow version to fit bottom brackets.
* Specifications *
- Bearing dimensions: 25x37x6mm
- Races: Zirconia (ZrO2)
- Balls: Silicon Nitride (Si3N4)
- Balls grade: Abec #3
- Cage material: PTFE
- Enclosure: 2 seals per bearing
- Enclosure material: teflon
- Enclosure type: non-contact
- Bearing weight: 14g (+-1g)
- Bearings aren't greased cause ceramic gives almost no friction!
- If you want, tell me and I will send you bearings with removed seals (but you will get seals) so you can grease it by yourself.
* This should fit next bottom brackets *
- Shimano: 4500/5600/6600/7800/7900
- Shimano: Deore/LX/SLX/XT/XTR
- Campagnolo : Ultra Torque Record
- FSA : Mega EXO (plastic sleeve)
- Race Face : X type Road, X type MTB (with sleeve)
* Advantages of FULL CERAMIC bearings *
- Lighter than steel bearings
- 2 1/2x's Harder than steel bearings
- Will not rust or corrode
- Spin longer, easier & faster
- Reduce friction and drag in your bottom bracket
- More watts delivered to the rear wheel
- Climb faster and spin faster
- Enjoy higher cadence on the flats
