Frequently Asked Questions

How do I get sponsored?

Where can I buy a new magnet?

I have a broken battery lid. How do I get a replacement?

Can I swap between SRAM GXP and BB30 cranksets?

What options do you have for BBright?

Can I install a power meter spider on my SRAM crankset?

I have a Shimano crank. What are my options?

I have an 11-speed drivetrain. What are my options?

Product Availability, Sales & Support

How do I buy Quarq products?

What suppport do I get?

What is the warranty?

Where are Quarq products manufactured and assembled?

Compatibility

What is ANT+™?

What power meter fits my bike?

Do you have a list of bike-specific fitting problems or solutions?

Technical Information

How accurate are Quarq power meters?

Why do you measure power at the crankset spider?

How many strain gauges are in the power meter?

Why do you use a magnet for cadence?

Do Quarq power meters feature temperature compensation?

What is the sampling rate of Quarq power meters?

How are Quarq power meters calibrated?

What do calibration, slope and zero offset mean?

What pre-ride zeroing is required?

Recalibration

Do I need to send in my SRAM S975 or CinQo Saturn power meter if I swap the chainrings?

Quarq

What is 'Quarq'?