Sram:
CRANK ARM BOLT KIT SELF-EXTRACTING M18/M30 DUB STEEL - BLACK
Use only SRAM parts with SRAM components. Installation of parts and accessories not originally intended could result in less than optimal performance and/or injury. For in-depth service information on SRAM products, refer to our website at www.sram.com/service. Information contained on SRAM Connect is subject to change at any time without prior notice.