The RaceFace Era SL is one of the lightest XC crank you can buy with the strength to hold up against your daily abuse. RaceFace&';s carbon layup reduces bulk in every possible area with no compromise to long-term durability. An integrated spindle shaves grams by removing hardware and a strategically shaped wear plate keeps your cranks looking fresh. The Era SL crank will keep you charging even on your longest Downcountry days. Ultralight. Unscuffable. Unequaled. RaceFace carbon layup reduces bulk in every possible area with no compromise to long-term durability Integrated premium 7000 series aluminum 30mm RF136 spindle shaves grams by removing hardware Strategically shaped stainless-steel wear plate keeps your cranks looking fresh 52mm chainline with RaceFace DM ring / 55mm chainline with RaceFace DMW ring (chainring sold separately) 170mm Q-Factor (Including pedal washers) Crankset includes Crank boots pedal washers spindle spacers Ultralight 422g (Weight based on 170mm crankset paired with the separately sold 32t SHI-12 DMW ring) TECH SPECS table{border-collapse:collapse;width:auto;max-width:100%;} td{text-align:left;padding:12px;font-weight:350;word-wrap:break-word;} tr:nth-child(even){background-color:#f2f2f2} th{background-color:#eb212e;color:white;text-align:left;padding:8px;} .desc .specs-heading{font-size:24px;font-weight:600;padding-top:35px;border-top:3px solid #f0f0f0;display:inline-block;border-bottom:4px solid #eb212e;width:142px;margin:0;} Number of Chainrings No Rings Included Chainring BCD Direct Mount CINCH Chainline/Hub Compatibility 141/148 Boost Hubs Color Kashmoney Gold Crank Length (mm) 165 Weight 422 BB Included No Pedal Spindle 9/16" Spindle Interface Type RaceFace Cinch 30mm Defined Color Gold