Each sprocket tooth has been designed to deliver maximum synchronization, shifting speed, and quiet operation.Steel – Nickel-chrome finish – Lightweight alloy carriers for the last two triplets – 11-speed spacing – 11-speed tooth machining – 11-speed alloy lockring, 27x1 thread
If you’re looking for an ultra-durable chainring compatible with your Shimano 12-speed drivetrain, look no further. This direct-mount chainring combines the versatility of the RF CINCH system with optimal stiffness to turn your effort into instant forward motion.
Ultegra
The 5 largest cogs are mounted on 2 aluminum and composite spiders
Lightweight and high performance
Aluminum locknut
Fini plaqué nickel
Compatible with 10- and 11-speed cassette bodies (for 11-speed, use a 1.85 mm spacer)
Other sizes are only compatible with 11-speed road hubs
11-speed wide-range cassette
The largest cog is made of 7075 aluminum
Alloy stars, spacers and locknut
For Shimano/SRAM freehub bodies
465g (11-46); 401g (11-42); 389g (11-40)