STONE double chainring for shimano GRX 110bcd RX600 RX810 RX820 gravel bike chainring 46T 30T 48T 31T

Material: High strength Aluminum 7075-T651, supplied by USA company Aleris who is supplier to aircraft make.

Material Hardness:HB150
CNC process precision:0.03mm

Anodized black, anodize silver colors.

Big chainring is 110bcd, small chainring is 80BCD.

Only work to GRX 110bcd crank.

Not works to any other model 110bcd crank. Not work to any other brand 110bcd crank.

The chainring offset and other data are 100% same to the original GRX chainring.

Size:

46-30T  142grams

48-31T  156grams

Chain support:

9-10-11-12 speed chain works. 
But Not work to Sram 12s AXS flattop chain, not support T-type 12s chain.

Advantage: fast shifting speed.

The chainring have 6pcs shifting pins, more shifting pins means faster shifting speed.

Size ratio can not change, otherwise the shifting will have problem. We only sell the size ratio we shows on webpage. For example, 46-33T, 48-33T can not sell. And can not works properly.

Package content:

2pcs chainring, 8pcs male bolts.