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Cannondale Hollowgram Round (Ai-compatible)
66

Cannondale Hollowgram Round (Ai-compatible)

As low as $66.00

Hollowgram round narrow/wide chainrings designed specifically for new AI frames by Cannondale: F-SI, Scalpel SI, Beast of the East, Bad Habit

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Availability:In stock
About this product

Garbaruk chainrings' features

  • Variable teeth thickness prevents chain dropping
  • Special tooth shape guarantees a tighter contact with chain and softer pedaling (in comparison with regular chainrings)
  • Chamfered edges and wide mud gap keeps the ring from getting muddy
  • Increased tooth height improves chain retention while the bike is shivering and jolting
  • Overall bicycle weight reduction in the range of 150-400 grams (with no front derailleur and chainguide)
  • Manufactured using highly durable aluminum alloy

With Garbaruk direct mount chainrings

  • You get a wide range of chainring sizes to choose from, starting from 26T
  • You can reach an optimal drivetrain chainline value with variable chainline technology (VCLT)
  • You save bike weight by not using crankset spider and you can opt for the chainring with an appropriate specs for your drivetrain
Specs
More Information
Weight, grams
  • 28T52
  • 30T56
  • 32T64
  • 34T68
  • 36T75
  • 38T84
Chainline, mm
  • 28T52
  • 30T52.9
  • 32T53.8
  • 34T54.8
  • 36T56
  • 38T57
Offset, mm
  • 28T4.3
  • 30T3.3
  • 32T2.3
  • 34T1.4
  • 36T0.2
  • 38T-0.8
Made from 7075-T651 Aluminum Alloy
Surface coating Anodizing
Made with CNC milling
Ovality 12%
Timing 108° after TDC (top dead center)
Compatibility Cannondale Hollowgram Si, Si 2016, SiSl2 cranksets
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