Our premium 1X Cannondale Hollowgram direct mount Oval chainrings are designed for Hollowgram crank family. Compatible with old and newest models.
Our Cannondale Direct Mount oval chainrings are designed with an offset that works best with Cannondale Ai-drivetrain (FSI). When used on non Ai / FSI Frames, our direct mount oval has 3mm less offset than original, non-Ai Cannondale chainring/spider. So in order to achieve perfect chainline, you will need in this case, to change the spacers on the BB axle and move right side crank closer to the frame. This is an easy task and sets the crank in very good position in relation to the frame.
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ADVANTAGES OF OUR SPECIAL DIRECT MOUNT CHAINRINGS:
*Finest design to provide excellent weight to strength ratio
*One of a kind special oval shape (Patent Pending)
*Greatly improves traction and climbing abilities
*Unique Patent Pending narrow-wide teeth profiles to keep your chain in place for minimum 12 months!
*Special 3D teeth machining for ultimate mud relief decrease wear and noise dramatically
*They save weight because they don't need the spider and chainring bolts.
*The ability of installation of a smaller ring sizes that can't be mounted on regular spider.
*Superb quality and great look.
*You will ride faster using ovals. If you keep using round ring then others will get quicker.
*You will not "feel" the oval shape at all
*Reduces stress on knees
*We mastered our oval chainrings to perfection, so you can get best possible advantage from the oval/elliptical shape.
Hollowgram Oval chainrings allow for flawless 1x10/11 drivetrain setup. Reliable, extremely light, stiff and clean looking
HOW TO MOUNT DIRECT MOUNT CANNONDALE OVAL CHAINRING:
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.
The most advanced, Patent Pending 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.
Our longterm belief in oval and development of our design, has led absoluteBLACK to become the most commercially successful oval chainring product in the world. So keep in mind that not every oval chainring is equal to an absoluteBLACK.
Designed in UK. Manufactured in Poland (EU). The lightest solution on the bicycle market – period.
| size (mass +/-1g) | 30T(61g), 32T(66g), 34T(72g) |
| colour | Black, Green |
| finish | Anodized |
| chainline | 47-50mm (3.7mm offset). Chainline depends on the length of the axle you use and spacers configuration. |
| ovality | Optimized to each size separately. Range- 10.2-14.4% and Timing of 110.5-116.3° after TDC (top dead center) Patent Pending |
| compatibility | Best for F-Si frames. Cannondale Hollowgram Si, SiSL, SiSL2. chain- 9, 10, 11 and 12spd Eagle compatible. |
| material | cnc machined 7075 Txxx Aluminum. Long-lasting construction |
| Size (Mass +/-1g) | 30T(61g), 32T(66g), 34T(72g) |
| COLOUR | Black, Green |
| Finish | Anodized |
| CHAINLINE | 47-50mm (3.7mm offset). Chainline depends on the length of the axle you use and spacers configuration. |
| Ovality | Optimized to each size separately. Range- 10.2-14.4% and Timing of 110.5-116.3° after TDC (top dead center) Patent Pending |
| Compatibility | Best for F-Si frames. Cannondale Hollowgram Si, SiSL, SiSL2. chain- 9, 10, 11 and 12spd Eagle compatible. |
| Material | cnc machined 7075 Txxx Aluminum. Long-lasting construction |
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