Race Face Era SL Crank Arms No BB 136 BB 160mm Stealth

Superlight version of the revolutionary Era crank, approved for bikes up to 140mm- Same layup and proprietary insert bonding tech as the Era- All unnecessary body material eliminated, maintaining strength- Pedal and drive side spindle inserts minimized- Spindle integrated with non-drive crank arm, eliminating non-drive crank bolt- Steel wear plate sized down to focus on highest wear areas- Versatile Cinch system offers interchangeable spiders, limitless ring combinations, swappable width 30mm alloy spindles, and full compatibility across all relevant frame standards- 136mm wide spindle: 52mm chainline on bikes with Boost 148mm rear spacing (optional: use Shimano 12sp ring for 55mm chainline with 136mm spindle)- Bottom bracket cups, spanner, and chainrings sold separately- Designed, tested and manufactured in Race Face's Canadian facility- 170mm Q-factor- 347g (170mm)