Please refer to the instructions below to confirm the specifications for each model.

Material: Aluminum 7075T6 hyper accurate Fully CNC-machined 5 bolts BCD 130mm Compatible with SRAM DIRECT MOUNT crank arm Available versions: Single ring or Double rings Finishing: hard anodized. Color: Blast Black | Blast Grey | Blast Blue | Blast Red | Blast Gold | Blast Green | Blast Purple Included chainring bolts (bolts *5/ nuts *5)

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.

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!

Series of four-hole chainrings with High Stiffness Points (HSP), compatible with the Shimano ® Ultegra FC-8100 12V crank set. Manufactured from CNC-machined AL 7075 T6 aluminium alloy. Black finish with total anodizing surface treatment (TT). With five teeth options available for internal chainrings and seven for external chainrings, it is always possible to find the right configuration for you. Aluminium chainring bolts included.

Series of 10/9-speed chainrings with five holes, compatible with Shimano ® ® (130 mm BCD) and Campagnolo ® (135 mm BCD) cranksets. Manufactured from CNC-machined AL 7075 T6 aluminium alloy with silver TT Total Treatment anodization. Also available with black finish.

Series of chainrings with five 110mm BCD holes, compatible with the Campagnolo ® 11-speed crankset and transmission. Manufactured from CNC-machined AL 7075 T6 aluminium alloy. HT Hard Treatment anodization. Five teeth options available for internal and external chainrings. The XCA version (item code CGCASB) with threaded holes is guaranteed compatible with Super Record, Record and Chorus 2011-2014 cranksets.

Series of 10/9-speed universal chainrings with five 110mm BCD holes. Manufactured from CNC-machined AL 7075 T6 aluminium alloy. Black finish through the TT Total Treatment anodization. Six teeth options available for internal chainrings and ten for external chainrings.

Every watt you generate deserves to be transmitted with total efficiency.X2 RD is the chainring designed for those who demand the maximum: lightweight, stiff, and capable of transferring every watt with absolute precision.

Series of 11/10/9-speed shrouded chainrings with five holes. Manufactured from CNC-machined AL 7075 T6 aluminium alloy. Black finish through the TT Total Treatment anodization. The Crono series is available with 110, 130 and 135 mm BCD. Six teeth options available.