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PW-ST System
107 BCD (Bolt circle diameter)
significantly improving front
The perfect quick-mount system for road
keeping the rear chainstay length as short as possible and a responsive bike both with 2
Calotte Movimento Centrale Campagnolo Pro-Tech Press Fit BB86 forcella mtb PW-ST SystemIt features Pro Tech technology, which consists of a patented external sealing gasket that protects the ball bearings from harmful ingress of water, mud, and sand, and a sealed central sleeve made of glass fiber reinforced polyamide to prevent internal contamination. The new cups mate with the oversized external stainless steel bearings pressed onto the two Ultra Torque half axles firmly fixed to the crank arms. Thanks to the Pro Tech sealing system,
