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SRM CYBREI 24MM Carbon Crank Arms

Eugene Cech April 28, 2026

$900.00

Ultralight carbon crank arms for SRM Origin power meters. Fits 24 mm bottom brackets

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SRM CYBREI 24MM Carbon Crank Arms

The SRM CYBREI 24MM Carbon Crank Arms are some of the lightest crank arms in the world. Made specifically for the SRM Origin power meter, these crank arms weigh only 340 grams, including the spindle. While they are extremely light, these crank arms are also some of the stiffest available. They have passed all UCI certifications and use an titanium 24 mm spindle for maximum bottom bracket versatility.

Please note the 24 mm spindle is not removable from this crankset.

 

Product Details

Key Features of the SRM CYBREI 24MM Carbon Crank Arms

  • Very Lightweight: The carbon fiber crank arms along with the titanium spindle make this a very light weight crankset, weighing only 340 grams in a 170 mm.
  • Extremely Stiff: These crank arms are incredibly stiff, ensuring maximum power transfer to the bike.
  • Easy Upgrade: The 24 mm spindle makes these a direct drop-in replacement for the majority of Shimano road cranksets, without needing to change bottom brackets.

Compatibility

This crankset is only compatible with SRM Origin power meters and 24 mm bottom brackets. See Compatibility tab for more information.

Considerations

These are high performing crank arms for SRM power meters, however that is reflected in the price. Therefore, these crank arms might not be in every rider’s budget.

Advice From Our Staff

The SRM CYBREI crank arms are great for riders looking to save every gram possible. These are some of the lightest crank arms available and in most cases, avoid the longer lead time from other bespoke crankset manufacturers. If you have a SRM Origin power meter already, this is a perfect upgrade.

Compatibility

  • The crank arms are compatible with the SRM Origin Road power meters only
  • Fits 24 mm bottom brackets

Specs

  • Interface: SRM Direct Mount
  • Crank Arm Material: Carbon fiber
  • Spindle: 24 mm Titanium
  • Weight: 340 grams - 170 mm
  • Q-Factor: 148 mm

In the Box

  • SRM CYBREI Carbon Crank Arms with 24 mm titanium spindle
  • Lockring
  • Pedal washers
  • Bottom bracket spacers

Tools Needed for Installation

You will need the following tools for installation of this product. You can shop for the required tools on our Tools Page.

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