Cuscinetti Movimento Centrale Sram BB30 42x68/73 mm Pantaloni Moto steel rails

steel rails

This contact is provided regardless of the shoe model

Peso: 67 grammi

More affordable than the LEV SI

- Forcella ammortizzata 80mm

Cuscinetti Movimento Centrale Sram BB30 42x68/73 mm Pantaloni Moto steel railsThe BB30, named after the required spindle diameter, is up to 100 grams lighter, has a lower Q factor, more ankle clearance, and longer durability compared to other bottom bracket types. This standard requires specific frame and crankset design. In addition to a 30 mm bottom bracket spindle, the BB30 requires an extra large frame bottom bracket shell with a width of 68 mm or 73 mm, as well as press fit bearings secured by lock rings. Technical data: