Shimano 1X Chainring 2.5mm offset
Comes in sizes 54,56,58,60,62,64 ( does not inc chainring covers )
Sync Csixx Chainring Shimano 1 x chainring (bolts sold separately)
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A 1X chainring replaces the traditional two chainrings on the crankset, with one single chainring. Our 1X chainrings are made in partnership with cSixx and are engineered to be aero and stiff, while offering excellent chain retention and smooth running in the maximum number of gears.
Works with Shimano R8000 , R8100 , R9100 , R9200
Does not include chainring bolts of covers
Our 1X chainrings have been in development for two years, while trying to find the perfect manufacturing partner to take this product to market. In partnering with cSixx, we have found a group of passionate engineers and designers, already manufacturing a heavily refined and field-proven product. Our range of 1X chainrings uses our own ideas, alongside the tooth technology and manufacturing techniques of cSixx, to produce what we believe is the most refined and highest performing 1X chainring so
CNC Machined, 7075 T6 aluminium
Hard anodised black finish
Designed, manufactured and finished by cSixx in Cape Town, South Africa
Shimano Dura-Ace R9100 and R9200, Shimano Ultegra R800 and R8100, using crank-specific chainring caps/bolts
11 and 12 speed compatibility, including SRAM Flattop and SRAM T-Top
YBN SLA chain (11 or 12sp) recommended
Above a 56t chainring size, the following frames require a zero offset chainring: Specialized Shiv TT Disc, Specialized Shiv Tri Disc, Factor Slick, Factor Hanzo, BMC Timemacine TM01
The following bikes have been confirmed for up to a 64t chainring size, with a 2.5 mm offset: Cervelo P5 (2025), Colnago TT1, CADEX Tri, Giant Trinity (rim and Disc), BMC Speedmachine, Scott Plasma 6
If your bike brand is not mentioned here, please reach out to us to confirm compatibility
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