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Quarq power meters use their patented direct-force technology to precisely measure your physical performance throughout your ride. Their meter is located in the crankset, the heart of the bicycle. Because it gathers data from both legs, and it's located at the precise point where muscle energy is converted to forward movement, the power meter spider is the most accurate place to gather power data.
Quarq Power Meter Interfaces Quarq power meters use two different crank arm interfaces that are not cross-compatible. The 3-bolt interface is the standard SRAM interface that does not have an integrated spider. The 8-bolt interface was introduced in the Quarq power meter designs in August 2014. It aids manufacturing and serviceability. More importantly, it delivers stable and consistent zero offsets when power meter spiders are swapped between crank arms.
In addition, the 10K temperature compensation feature eliminates weather as a variable. Quarq's technology gives you the data in real-time and a solid record of your performance for review later on. Quarq power meters offer easy, verified zeroing and the Qalvin app allows you to set the zero offset, check batteries and run diagnostics. Power Balance™ captures left and right drive strokes. OmniCal™ gives you a choice of chainrings with no compromise on accuracy. Both cranks and spider made from aluminium with the spider unit machined in-house from raw blocks of high-strength aluminium. Also, they’re manufactured to excruciating standards in a factory with ISO9001 Quality Management System certification.
We will happily refund any item purchased on Wiggle if returned to us within 365 days; excluding Wiggle gift vouchers, nutrition and customised products, except when faulty.
Please note: Bikes and other bulky items cannot be returned using our local returns service (where applicable). Please contact us and we can arrange to collect these from you using our discounted courier rates. There is a fee for all collections, except for faulty products.Returned goods must be unused and supplied with their original packaging, unless the goods are faulty. Wiggle will pay the return postage costs for any faulty items.