Race Face ERA Carbon Cranks CK23ERA136ARM165P872

- Reimagined carbon crank is 300% stronger than Next-R cranks \n- Patent pending insert redesign means loose inserts are a thing of the past \n- Steel wear plate improves durability\n- Versatile Cinch system offers interchangeable spiders, limitless ring combinations, swappable width 30mm alloy spindles, and full compatibility across all relevant frame standards \n- 136mm wide spindle: 52mm chainline on bikes with Boost 148mm rear spacing (optional: use Shimano 12sp ring for 55mm chainline with 136mm spindle)\n- *BB sold separately, use RF291* for English 68/73mm, BB92 or PF30 BBs\n- BB spanner sold separately, use RF2997\n- Chainrings and spiders sold separately\n- Designed, tested and manufactured in Race Face's Canadian facility\n- 176mm Q-factor\n- 475g (170mm)