- Octalink bolts include steel washers, JIS includes black plastic caps - HT2 mount bolts (low torque plastic, except XTR-M970 aluminum) are for mounting non-drive arm - Hollow bolts (SH-21504) not recommended for non-treated spindles [more]
- Self-extracting bolts for BB30 cranks: includes puller cap that threads into BB30 crank arms - Sold as singles [more]