Absolute Black

Cannondale Hollowgram Direct Mount Chainrings

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  • MSRP $83.99

Premium 1X Cannondale Hollowgram direct-mount Oval chainrings designed for Hollowgram crank models. Compatible with old and current models.

Size (Mass +/-1g):

30T(61g), 32T(66g), 34T(72g)


Black, Green


Cannondale Hollowgram Si, SiSL, SiSL2 and newest F-Si cranks


CNC machined 7075 Txxx Aluminum


Type II anodized


47-50mm (5.7mm offset). Chainline depends on axle length åÊand spacer configuration


Optimized per individual chainring size. Range: 10.2-14.4% and Timing of 110.5-116.3å¡ after TDC (top dead center) Patent Pending

Advantages of our direct-mount oval chainrings:

  • Finest design to provide excellent strength to weight ratio
  • Patent-Pending oval shape
  • Unique Patent Pending narrow-wide tooth profiles to keep your chain in place even in aggressive conditions
  • Special 3D teeth machining for ultimate mud relief, decreased wear and noise
  • Designed to handle the rigors of mud and grass
  • Lower weight by reducing the need for a spider and chainring bolts
  • Superb quality and look.
  • Riders will not "feel" the oval shape
  • Improves traction and climbing abilities
  • Reduces knee stress



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