DJC Stone 110bcd Round Double Chainring for Shimano 105 R7100 UT R8100 DA R9200 Road Bike 56-42T 55-40T 54-40T 53-39T 52-36T 50-34T 48-33T 46-32T

Features
Fit for: Perfect for R7100 R8100 R9200, compatible for Dura-Ace R9100, Ultegra R8000, 105 R7000, R9000, Tiagra 4700, FC 5800 6800, most 110bcd 4 bolts power meter spider works.
Fast Shifting Speed: it have 4 - 10pcs shifting pins from 46-32T to 58-44T. More shifting pins means faster shifting speed.
Chain Speed Support: 9-12s chain support. Not support AXS flattop 12s chain. Other brand 12s chain works, like KMC YBN SUMC.
Material: High strength Aluminum 7075-T651. High precision CNC processing. Offer best stiffness and endurance. Weight: 46-32T 132g(4.7oz),52-36T 184g(6.6oz),54-40T 199g(7oz),58-44T 224g(7.9oz).
Package content: chainrings come with 4pcs oridnary bolts. (Decoration bolts need buy separately). Offset 0mm. 46-32T need to install the spacer come in the package to get 0mm offset.

Offset:0mm. 46-32T need to install the spacer come in the package to get 0mm offset.

46T/32T can not use the decor bolts, as 32T have build-in nuts. 48-33T and bigger size can use the decor bolts.

Weight:
46-32T 132g, 4.66oz
48-33T 153g, 5.40oz
50-34T 155g, 5.47oz
52-36T 184g, 6.59oz
53-39T 195g, 6.88oz
54-40T 199g, 7.02oz
55-40T 199g, 7.02oz
56-42T 209g, 7.37oz
58-44T 224g, 7.90oz

ABOUT
Stone Design Workshop focus to offer high quality and innovated design CNC processed chainrings to clients in worldwide, especially favored by EU race teams.
Stone products meet requirements for all heavy duty cycling sports, Downhill, CX, Gravel, Traction and so on. Ensure all chainrings lifespan 20,000 km.