As Fixed Gear Criteriums are usually held on the street, the CBB-SG75 is the best choice as it features a sealed mechanism bearing which keep out water and dirt very effectively.
It is compatible with most square tapered track cranks like Sugino 75, Shimano Dura-Ace or Campagnolo Record.
- Bearing: Steel Balls
- Axle: "SG75 Taper"
- Cup Thread: BC1.37x24T
- BB Shell Width: 68mm
Note: The Sugino 75 Series uses a proprietary tapered crankarm and should be used with SG75 Bottom Brackets (Standard, Superlap, CBB-SG75), or else warranty will be voided.
Photo Credit: Sugino