CeramicSpeed Bottom Bracket Alpha for T47a 30mm Road | 115446 box_gruppi Excellent stiffness-to-weight ratio

Excellent stiffness-to-weight ratio

Includes: expander kit with bolt and aluminum stem cap

this alloy rim is a testament to precision engineering

Columbus is able to offer an industry-leading internal cable routing system for the 1”1/8 – 1-1/2" steerer tube diameter

Diamante reaffirms its passion for climbs and descents

CeramicSpeed Bottom Bracket Alpha for T47a 30mm Road | 115446 box_gruppi Excellent stiffness-to-weight ratioCeramicSpeed BB ALPHA for T47a 30mm Road: Asymmetric Precision Alignment for Oversized Spindles The engineered CeramicSpeed BB ALPHA for T47a 30mm Road bottom bracket stands as the definitive mechanical upgrade for premium Road Bikes and Gravel Bikes utilizing the T47a asymmetric threaded frame standard (such as Cervlo designs). Developed to seamlessly interface an asymmetric T47a frame shell (77. 5 mm width) with oversized 30 mm spindle cranksets,