Race Face Era Crank Arms No BB 136 BB 170mm Stealth CheckoutTitle=Surly Trailer Hitch Assembly Replaces the existing cradle in

Replaces the existing cradle in a couple of minutes with an allen wrench

Material Nylon Case Pack Yes

Direct mount outer chainring and 90 bcd inner chainrings

0mm rise 0 deg length 45mm color black

Race Face Era Crank Arms No BB 136 BB 170mm Stealth CheckoutTitle=Surly Trailer Hitch Assembly Replaces the existing cradle inReimagined carbon crank is 300% stronger than Next R cranks Patent pending insert redesign means loose inserts are a thing of the past Steel wear plate improves durability 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