Campagnolo ISO Square Taper BB
Campagnolo bottom bracket, sealed cartridge bearing style, two bearings on the drive side and one on the non-drive side. The chromoly steel, 102mm width hollow spindle axle fits 8, 9 and 10 speed Campagnolo Record and Chorus road cranksets from 1995 onwards. The item designated as a Campagnolo Chorus product but works with all of these cranksets. The corresponding Campagnolo Record version is no longer available.
Removable cups are machined from aluminium alloy and available either ENG British threads (1.370 inches x 24 TPI) or ITA Italian threads (36mm x 24 TPI). Axle width: 102 mm | Weight: ~220 grams
Note: this axle has is a taper design unique to Campagnolo and is not interchangeable with Shimano.