Introducing the super lightweight Ti Ceramic RACE-Lite TREK BB90/BB95 bottom bracket set.
 
FRAME FIT:
BB90 (Ø37x90.5mm)
BB95 (Ø37x95.5mm)
 
CRANKSET FIT:
Shimano Hollowtech II: Ø24mm axle cranksets.
Sram GXP Cranksets: Ø24/22mm axle cranksets.
 
**Note in box at right if for use with Shimano or SRAM GXP.
 
BEARING FEATURES:
Performance Breakthrough - Speed increases approaching 4%, i.e., over 1 km a rider can gain 20-40m.
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.
Ti Ceramic bearings are 60% lighter than steel bearings
Ti Ceramic Bearings produce up to 60% less friction
Ti Ceramic Bearings are 15-20% stiffer than steel ones
Ti Ceramic Bearings are resistant to corrosion
Ti Ceramic Bearings have a lifetime 10 times longer than steel bearings
 
BEARING SPECIFICATIONS:
Bearing Race Material: Nano-technology Titanium Nitride coated stainless steel.
Rolling Element Material: Full Ceramic Si3N4 Grade 3
Bearing Grade: ABEC 5
Bearing Ball Density: 3.2g/cm³
Vickers Hardness Index: 1,700-2700 kg/mm²
Low Friction Nylon retainer
Enclosure Type: Low Friction Seal both sides
Lubricant: Kluber NBU 12/300KP
 
PRODUCTS SPECIFICATIONS:
2- Ti Ceramic BB90 Sealed Bearings
2- Dust Covers Alloy/Rubber
1- Wavy Washer
2- 2mm Alloy Spacers
1- 0.5 Plastic Spacer
Weight: 46grams set