KMC - X12 Aurora Stock Item:CHAIN KMC 'X12' 12SPD 1/2" x 11/128" AURORA GREEN (OIL SLICK) 126 LINKS audible click signal

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Both feature the same stainless-steel mounting hardware (handily housed in a reusable Surly Tool Bag) but feature different widths to work with various tire sizes

The Next Generation Of SRAM

Compact at just under 11" ( 28cm)

Recommendation: Use Super Bike Wash™ every second or third ride to keep your bicycle looking like new and to remove the contaminants that slowly but surely starts to degrade look and performance of a bicycle

KMC - X12 Aurora Stock Item:CHAIN KMC 'X12' 12SPD 1/2" x 11/128" AURORA GREEN (OIL SLICK) 126 LINKS audible click signalKMC X12 AURORA Add some glamour to you bike, and enjoy perfect shifting and dynamic populsion with the X Bridge technology of this pro level 12 speed chain. The KMC X Series was developed with the specific characteristics of the Shimano, SRAM and Campagnolo systems in mind. Thanks to precisely chamfered plates, the X Bridge technology enables perfect shifting and smooth propulsion in all riding situations. The X Series enjoys the trust of many top