Updated EC90 SL crank arms with new graphics Modular Gravel, Cyclocross and Road cranks, 1x and 2x options sold separately Superlight carbon arms with 30mm alloy spindle Futureproof proprietary Cinch system offers limitless ring or spider combinations, swappable 30mm alloy spindles, and full compatibility across all relevant frame standards *BB sold separately, use ET892* for English 68mm, PF30 or PF86.5 BBs BB spanner sold separately, use RF2997 Direct Mount ring or spider attaches using a Park BBT22 tool, sold separately Made in Canada. Weight without BB: 442g Direct Mount (40t)