AEROZINE Road Rings – 5-Bolt BCD130 Shimano 10/11/12s Compatible – Perfect for Road Cranks CNC Machined AL7075 – Lightweight & Ultra-Strong Double Ring 53-39T – Smooth, Precise Shifting Sleek Black Finish – Ideal for Boutique DIY Builds Upgrade Your Crank. Elevate Your Ride.

AEROZINE Road 2X Double Chainring (BCD110mm) – CNC 7075-T6 aluminum, 4-Bolt BCD110 SHIMANO interface.Compatible with SHIMANO / SRAM 10–12s road drivetrains, delivering smooth shifting, lightweight precision, and premium DIY upgrade performance.

AEROZINE Road 2X Double Chainring (BCD110mm) – CNC 7075-T6 aluminum, 4-Bolt SHIMANO interface.Compatible with SHIMANO 10–12s road drivetrains, optimized for smooth shifting, lightweight performance, and premium DIY upgrades.

For Gravel Road bikes compatible bottom bracket BSA(30)/ BB86/ BB30/ PF30 10/11/12 speed  Single ring: 56T to 45T  Double rings: 46-30T, 48-32T 2026 🎁 Free Bonus: Complete Crankset Kit with BB included!