Absolute Black Narrow Wide Cannondale Spiderless Chainring Green 2022

The lightest and most refined solution for Cannondale Hollowgram cranks, period. Hollowgram spiderless chainrings allow for flawless 1x9/10/11/12 drivetrain setup. Reliable, extremely light, stiff and clean looking on the bike. Chainring's specific offset creates a lot better chainline compared to other "flat" ring offerings.Its specially designed narrow-wide tooth profile

The most advanced, Patent Pending narrow-wide tooth profile on the Market guarantee minimum 12 months of excellent chain retention capabilities! We mean it. You can finally take your chainkeeper off of the bike. Tested by XC Silver World Champion Marek Konwa.

Features :

• Color : Green
• Compatibility : Cannondale Hollowgram Si, SiSL, SiSL2 and newest F-Si
• Material : cnc machined 7075 Txxx Aluminum. Long-lasting construction
• Finish : anodized
• Chainline : 47-50mm (5.7mm offset). Chainline depends on the length of the axle you use and spacers configuration.
• Chain Length : Bypassing the rear derailleur, run the chain around front chainring/largest cog combination. (For the full suspension frame, position the rear suspension for the greatest chain length required. It's usually a normal position where rear shock if fully extended) Add 2 to 4 segments of the chain to this length for proper chain length.
• Tooth Shape Can be used with singlespeed, 1x9, 1x10, 1x11 and 1X12 as it fits all chains. Tooth shape optimized for quiet work.
• Designed in UK. Manufactured in Poland (EU).
• Proud to inform you that Silver World Champion Marek Konwa is using and testing our direct mount chainrings.

Mounting instruction:

Generously grease the waved shape of the crank arm, then put the chainring so that fits completely(convex side to the crank arm). Put small amount of medium strength Loctite on the lockring threads and tighten it with torque of about 47-54 Nm.
You will need "Cannondale Hollowgram Spider Removal Tool KT012" or similar to open and close the lockring.

Weight : 28T (55g), 30T (56g), 32T (57g), 34T (70g)