Check the listing for details. ALUGEAR 8-Bolt Boost Chainring for SRAM. Black. Color: Black, Condition: New. Listed at 66.00 USD. ALUGEAR 8-Bolt Boost Chainring for SRAM - BlackThe ALUGEAR 8-Bolt Boost Chainring for SRAM is made for 8-bolt SRAM cranksets. ALUGEAR chainrings are some of the lightest on the market. They are CNC machined from 7075 T6 aluminum and hard coat industrially 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 8-bolt cranksetsChain: Compatible with 10-speed, 11-speed and 12-speed Shimano and SRAMNot compatible with SRAM T-Type. SpecsColors: BlackInterface: SRAM 8-Bolt Direct MountOffset: 3 mmChainline: 52 mm Boost or 55 mm Super BoostMaterial: Aluminum 7075-T6Made: CNC millingSurface coating: AnodizingWeight: 28T - 52 grams | 30T - 57 grams | 32T - 63 grams | 34T - 70 grams | 36T - 75 grams | 38T - 80 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.