FSA SL Hybrid ACB Bearing 1-1/8" 45°x45° Description-Freehub Grease Direct Mount Type Direct Mount

Direct Mount Type Direct Mount CINCH Tooth Count 28 Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Defined Color Red Material Aluminum Ring Position/Type Chain Retaining Single Ring Round or Oval Round Offset 3 Chainline/Hub Compatibility 135/142 MTB Hubs Chainline/Hub Compatibility 170/177 Hubs Chainline/Hub Compatibility 190/197 Hubs Chainline/Hub Compatibility 150/157 DH Hubs Chainline/Hub Compatibility 157 Super Boost Hubs Chainline/Hub Compatibility 141/148 Boost Hubs

}Full Speed Ahead MTB 11-Speed Chainring 28t 68mm Black

Cage Length Short Chain Wrap Capacity (teeth) 35 Color Black Drivetrain Speeds 11 Largest Cog 30 Rear Der/Shifter Compatibility Shimano Road Di2 Rear Derailleur Mount Type 10x1 Standard Rear Derailleur Mount Type Shimano Rear Direct Mount

Lower friction SKF Wiper and Damper Cartridge Seals

}Surly Ultra New Disc Front Hub - QR x 100mm 6-Bolt Silver 32h

FSA SL Hybrid ACB Bearing 1-1/8" 45°x45° Description-Freehub Grease Direct Mount Type Direct MountSuper Light (SL) headset bearings are 25% to 38% lighter than conventional bearings and offer similar durability SL bearings use a steel inner race and ball bearings with an abbreviated outer steel race housed inside an alloy shell TECH SPECS model Orbit CE No. 8B description SL ACB bearing 45x45 degree MR042R size 1 1 8" package each