Stone 110bcd Round Double Chainring for Shimano 105 R7000 R7100 UT R8000 R8100 DA R9100 R9200 Di2 Road Bike 58 55 54 53 52 50 36T 39 40 34 48 46T silver black style-L

Perfect for R7100 R8100 R9200,Di2 R7170 R8170 R9270

compatible with Dura-Ace R9100, Ultegra R8000, 105 R7000, R9000, Tiagra 4700, FC 5800 6800

most 110bcd 4 bolts power meter spider like sigeyi xcadey magene works.

Material: High strength Aluminum 7075-T651.

Model name: 110R2B syle-L 

Color: black

(If you need a colored chainring, please send a message to contact us to purchase. 50-34t above colored chainring is available.)

Size:110bcd 4 arms

Advantage: fast chain shifting

Weight:

46-32T 132g

48-33T 153g

50-34T 155g

52-36T 184g

53-39T 195g

54-40T 199g

55-40T 199g

56-42T 209g

58-44T 224g

Speed: 9-12s(Road bike)

Not support axs flattop 12s chain. other brand 12s chain works, like KMC YBN SUMC.

Offset:0mm, except 46-32T is 2mm inner offset(but after you install the spacer come with the package, it will be 0mm offset. install the spacer on crank spindle is fine)
46-32t send with 2pcs washer for 24mm/29mm 30mm axle adjust

Notice:the Bolts covers set only for stone 2X chainring use. (46T/32T can not use decor bolts, as the small ring have a build-in female bolts)

NOTICE:If you buy a chainring that is too large (greater than 54T) or too small (less than 48t) , please purchase an extender to use together, use it to lower or raise the front derailleur to avoid the problem of the chainring not being able to be used.

Package content:

2 chainrings and 4pcs ordinary aluminum bolts

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