Stone 110bcd Round Double Chainring for Shimano 105 R7100 UT R8100 DA R9200 Road Bike 55 52 36T 53 39T 54 40T 50 34 48 46-32T
Perfect for R7100 R8100 R9200,Di2 R7170 R8170 R9270
compatible for 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, supplied by USA company Aleris who is supplier to aircraft make Airbus, Boeing and Bombardier.
Color: black,50-34T has multicolor now
Notice:Only 50-34T has multicolor now,the outer chainring is colored and the inner chainring is black.
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
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
Notice:the Bolts covers set only for stone 2X chainring use. (46T/32T can not use)
Package content:
2 chainrings and 4pcs ordinary aluminum bolts
46-32t send with 2pcs washer for 24mm/30mm axle adjust
Notice:the Bolts set only for stone 2X chainring use. not for other brand chainring
STONE Road Bike Front Derailleur Extender for 12s,Compatible with 10s 11s
if you want small size like 46T 48T, it can help you.
if you want too big size like 55T 54T, it also can help you.
