DJC Stone 130 BCD Chainring Fixed Gear Track Bike Fixie Round 42T-60T Tooth Chainwheel 1/2*1/8 Chain

Features
FXIED GEAR bike, 1/2" x 1/8" CHAIN - Good for 1x track bike, fixie bike ,BMX , 130mm BCD.
Alu7075 from USA, HIGH STIFFNESS - High precision CNC machined 7075 T651 Aluminum supplied by USA Aleris / Alcoa. Long-lasting construction. HB150 excellent stiffness, 4mm thickness, anodized black.
LIGHTWEIGHT - Lightweight with inner side cut off but stiffness design, 104g(48T) , 160g(60T).
Chose by lots of professional track riders in EU and USA, lifespan 15,000km.
Package Content: 1x chainring, 5 bolts.

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.