DJC Components Stone AXS Chainring Adapter Converter Spider 110BCD 4 Arms 5 Arms for Sram Force Red Etap QUARQ Road Bike Gravel 12 Speed Crank 8 bolts pins

Features
Compatible Cranks: 8-Bolt Direct Mount Crankset. SRAM FORCE AXS 12-speed, SRAM RED AXS 12-speed, RIVAL AXS OUARO cranks.
Compatible chainrings: Support 1x and 2x 110BCD 5-arm and 4-arm chainrings (Dura-Ace R9100, Ultegra R8000, 105 R7000, 9000, Tiagra 4700, FC 5800, 6800, R7100, R8100, R9200, etc.).
Widen style spider is specific design for shimano 12s chainring curve as well as STONE 12s double chainring 110R2B curve. Make the chainring curve perfect when install those spiders.
Material: High strength Aluminum 7075-T651; high precision CNC processing; offer best stiffness and endurance.
Thickness: 13MM; Package Contents: 1 x Adapter.

Weight
Hollow 4 arms 46.1g / 1.6oz
Hollow 5 arms 49.5g / 1.7oz
Widen Hollow 4 arms 52.2g / 1.8oz
Aero 4 arms 62.6g / 2.2oz
Aero 5 arms 89.9g / 3.2oz

STONE Chainrings — Race-Ready Precision
Trusted by riders worldwide and favored by EU & USA race teams, STONE chainrings are built for high-load riding and competitive performance.
Using aerospace-grade 7075-T651 aluminum from Alcoa and Aleris, STONE achieves exceptional stiffness and durability, with a tested lifespan of up to 15,000 km.
High-precision CNC machining within 0.03 mm tolerance guarantees efficient power transfer, minimal noise, and stable shifting under pressure.
More than manufacturing, STONE focuses on tooth profile innovation—delivering lightweight design, secure chain retention, and race-proven reliability.
Engineered for racing. Proven on the road.