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SRM Composite Crank Arms

Josh Matthew July 5, 2024


Carbon arms for the SRM Origin power meter. Available in sizes from 150 mm to 175 mm

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SRM Composite Crank Arms

The SRM Composite Crank Arms are made from a blend of carbon fiber and aluminum. This makes them a bit heavier than the full carbon SRM crank arms, but lighter than the SRM aluminum arms. They weigh 328 grams (172.5 mm) for the set and are available in sizes ranging from 150 mm to 175 mm. They are compatible with the SRM Origin power meter only.


Key Product Details


This crankset is compatible with both 24 mm and 30 mm SRM Origin spindles. See Compatibility tab for more information.

Key Features:

Blended carbon and aluminum crank arm construction, aluminum pedal inserts. See Specs tab for more information.

Advice From Our Staff:

The SRM Composite Crank Arms are a blend of carbon and aluminum which makes for a more affordable yet still lightweight crankset. Our staff recommends this crankset to riders who are looking to balance price and weight with their SRM power meter.


Other Versions to Consider

SRM LOOK Carbon Crank Arms: The SRM LOOK Carbon Crank Arms are made from a full carbon construction and are SRM’s lightest, stiffest crank arms. This is a great option for riders looking for a premium crankset with maximum weight savings.


  • The crank arms are compatible with the SRM Origin Road, MTB and Track power meters only
  • Fits both 24 mm and 30 mm Origin spindles


  • Interface: SRM Direct Mount
  • Crank Arm Material: Carbon fiber and aluminum
  • Weight: 328 grams (172.5 mm)

Tools Needed for Installation

You will need the following tools for installation of this product. You can purchase many of these commonly used tools in our store.

  • 10 mm Allen key

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