Check the listing for details. ALUGEAR Aero Boost Chainring for SRAM. Black. Color: Black, Condition: New. Listed at 71.00 USD. ALUGEAR Aero Boost Chainring for SRAM. BlackThe ALUGEAR Aero Boost Chainring for SRAM is made for 3-bolt boost cranksets. ALUGEAR chainrings are some of the lightest on the market. The aero profile eliminates any open space on the chainring which reduces drag and gives riders additional aero benefits. ALUGEAR chainrings are CNC machined from 7075 T6 aluminum and anodized to provide maximum protection. They also feature a unique tooth profile that eliminates chain noise, reduces wear and provides for a smooth drivetrain. CompatibilityCrankset: Compatible with SRAM boost 3 mm offset cranksets that use the 3-bolt interfaceChain: Compatible with 10-speed, 11-speed and 12-speed Shimano and SRAM Eagle chains. Not compatible with SRAM T-Type chains SpecsColor: BlackInterface: SRAM 3-Bolt Direct MountOffset: 3 mmChainline: 52 mm BoostMaterial: Aluminum 7075-T6Made: CNC millingSurface coating: AnodizingWeight: 28T - 52 grams | 30T - 57 grams | 32T - 63 grams | 34T - 68 grams | 36T - 74 grams | 38T - 79 grams Why Buy from Power Meter City1. We ship fast! All orders ship on the same day your order is placed!2. Free shipping on all orders in the U.S.3. We are an authorized ALUGEAR dealer and this product comes with a full warranty.4. Expert advice and customer service in case you need any help.5. We offer a free, 30-day return policy on new items. About our CompanyAt Power Meter City, we focus on power meters and related accessories and components. Our focus on these products means we can offer you the best possible selection, advice and service.We have been in business since 2016 and are based in southern California. We are an authorized dealer of every product we sell.