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FIRST Oval Chainring 2st Gen. AL7075 Road BCD 110/130mm

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List price: $121.19
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Price in points: 7322 points
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FIRST OS1_110/OS_130 chainring
Our quantity discounts:
Quantity 2+ 6+ 50+ 100+
Price $104.28 $98.79 $87.82 $76.84

FIRST Oval Chainring 2st Gen. AL7075 Road BCD 110/130mm

FIRST Oval Chainring 2nd Gen. AL7075 Road BCD 110/130mm are made of alloy 7075-T73 with matte black finish, that has been firstly forged and then skillfully CNC machined by Master craftsman to produce this fine product. They're compatible with 10/11 speed system.  

You can use these chainrings to increase the performance of your current 110mm or 130mm Crankset.

OS1 BCD 110mm is available in 50*34T option. (One oval and one round chainring) 

OS BCD 130mm is available in 53*39T option. (One oval and one round chainring)

Supplied with 2 pieces of oval/round chainrings per package.


  • Make: FIRST
  • Material: Aluminium 7075-T73
  • Arms: 5
  • Size: OS1 BCD110mm 50/34T, OS BCD130mm 53/39T
  • Compatibility: 10/11 speed
  • Colour: forged AL7075-T73 with matte black finish

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