Cromozone Sealed BBTop quality, traditional style Cr-Mo JIS square-taper axle BB withprecision cartridge bearings. Reliable Cr-Mo steel threaded BSA 68mm cups use a Shimano UN-type splined tool fitment.Supplied with Hex cap type bolts.Specifications¢Spindle: Chromoly steel¢Cups: Steel, chrome plated¢Sleeve: Steel, chrome plated¢Bearing: 2 Cartridge Sealed bearings¢Spindle Type: JIS Square Taper¢Spindle Length: 107, 110.5, 113, 118 or 122mm¢Shell Width: 68mm¢Thread: 1.37" x 24 TPI¢Compatibility: BSA Threaded¢Torque Spec: 35-50NmWeight: approx. 285g