チェーンリング ■ Weight: 111g ■ BCD: 144mm ■ Size: 49t ■ Color: Black ■ Stiff and lightweight ■ 1/8 in ■ Material: 100% CNC-machined, AL7075-T6
ボトムブラケット ■ BSA 392 ■ Weight: 108g ■ Designed to work with BSA threaded bottom brackets and Rinpoch track cranksets ■ Al7075-T6 cups made by CNC turning center