OneUp your complete drivetrain with our new Narrow Wide Chainrings. - Narrow Wide tooth profile eliminates chain drop with the perfect chain mesh fit - Perfect chainline with 2mm Shims included with 32T and 34T rings (30T rings have built in offset). For a quieter drivetrain with improved chain wear and best drop performance. - Reuse your existing 8-10mm long ring hardware. No new bolt packs required, saves you $15. - Aggressive crud chamfers for awesome mud shedding performance and extended ring life. - Reinforced Wide tooth design provides maximum ring durability when run without a bash. - Made from hard wearing 7075-T6 aluminum plate - 30T rings have integrated shims and chainring bolt threads to allow the smallest ring size possible on a 104 BCD crank (loose shims are only included with the 32T-36T sizes). *Shims - Included with 32T and 34T rings. For 2x crank conversions, shims between the crank and ring get you back to an ideal 49-50mm chainline. For 3x crank conversions, shims under the bolt heads allow reuse of your 3x hardware - No new bolt packs required! SPEC Material: 7075-T6 Weight: 40g (30T), 44g (32T), 54g (34T), 2g (4x shims) Chainline Explained Compatible with: 9, 10, 11 and 12 Speed Chains and 104 BCD cranks Colors: Black, Green Please visit our website at http://www.ecomtb.com.my OR https://shopee.com.my/eco_mtb ** There is 1-3cm errors due to manual measurement. Please kindly understand. ** Actual product colour may slightly vary due to photographic lighting sources or your monitor settings. ** WE DO NOT DO COD ** ONLINE ONLY ** We support original products only. ** PRICE INDICATED IS ALREADY BEST PRICE, EXCLUDE COURIER