SRM Crank Arms

Additional SRM Crank Arms Info:

SRM LOOK Carbon Cranks

These are the lightest and stiffest crank arms available for the SRM Origin power meter. They are also the most expensive. They feature Trilobe pedal inserts and function in three lengths (170, 172.5 and 175 mm) by rotating the pedal inserts.

• Cost: $800
• Material: Carbon fiber
• Weight: 260 grams
• Sizes: 170 – 175 mm

SRM Composite Cranks

These Composite cranks are made from a blend of carbon fiber and aluminum. This makes them a bit heavier than the full carbon ones above, but lighter than the SRM aluminum arms (below).

• Cost: $500
• Material: Carbon fiber and aluminum
• Weight: 328 grams (172.5 mm)
• Size: 150 – 175 mm

SRM Aluminum Cranks

The Aluminum Crank Arms are the most affordable arms for your SRM Origin power meter. They weigh 436 grams (172.5 mm) for the set and are available in sizes ranging from 160 mm to 175 mm.

• Cost: $300
• Material: Aluminum
• Weight: 436 grams (172.5 mm)
• Sizes: 160 – 175 mm

SRM Science Cranks

The Science Crank Arms are arms for your SRM Science Track power meter. Unlike the other crank arms on this page, these are made for Shimano Octalink bottom brackets. They are available in sizes ranging from 160 mm to 175 mm.

• Cost: $300
• Material: Aluminum
• Weight: 480 grams (165 mm)
• Sizes: 160 – 175 mm