TRUVATIV SPARE - CRANK ARM BOLT KIT M15/M22 ALLOY SELF-EXTRACTING GXP
Truvativ crank arm bolt and self-extractor cap with washer. The bolt/cap is made from aluminium. Bolt fits GXP bottom brackets. The bolt that screws into the crank spindle is M15 size and the outer cap which screws into your crank arm is M22 size. Available in silver colour.