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  • Rotor Round Road Inner Chainring
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RotorRound Road Inner Chainring
$45.00

Item # RTR0012

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  • Black, 34T ($45.00)
  • Black, 39T ($45.00)
  • Black, 36T ($45.00)
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Item # RTR0012
Description

These Rotor Round Road Inner Chainrings are made just like Rotor's ovalized units, though they stick to the traditional round geometry that most folks are used to. And as much as we like Rotor's non-traditional Q-Rings, the reality for many riders is that they prefer round rings, or are hesitant to try ovalized rings since they don't have physical issues that stem from their use of round rings. Garmin-Cervelo's Thor Hushovd is a classic example. He won his World Championship on Rotor 3D Cranks fitted with Rotor's round chainrings.

Rotor Round Road Inner Chainrings are CNC machined from 7075-T6 aluminum, and they have a hard anodized black finish. They fit Rotor Agilis and 3D Cranksets and are also compatible with any crankset using 110 or 130mm BCD (bolt circle diameter). They're available in three sizes -- 34t/110mm, 39t/130mm, and 44t/130mm.

  • 7075 T6 aluminum
  • 34t, 39t, and 44t
Tech SpecsWeight
Tech Specs
Material
7075 T6 aluminum
Teeth
34 t, 39 t, 44 t
Bolt Circle Diameter
[34t] 110 mm, [39, 44t] 130 mm
Recommended Use
road cycling
Manufacturer Warranty
limited
Weight

Actual Weight

Actual weights are measured in-house by the Competitive Cyclist team.

Have questions? Chat with a Gearhead

Grams

Oz

Black, 34T
25g
0.88oz
Black, 39T
n/a
n/a
Black, 36T
n/a
n/a
chainring w/out bolts

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Unanswered Question

I see the sizes listed as 36, 39 and 44 in the dropdown list above, but the description lists 34, 39 and 44 tooth options. Which is correct - 34 or 36?

Crankset update

  • Familiarity: I've put it through the wringer

I have a 20 year old Ultegra crankset and converted from 8 to 11 speeds in the rear. Changed out the front chain rings to Rotor assuming they would work better with the narrower 11 speed chain. They shift beautifully and look great.

Cheap EPO

  • Familiarity: I've put it through the wringer

I have this on one of my bikes and now getting it installed on my other bike. I'm not a strong climber. After having it installed, my friends accused me of taking EPO.