Firmware DL failed, quick response but no help Can't fault their response but... Had a firmware download issue, contacted support and told 'it's dead' that was it! Fortunately a few searches highlighted similar issues with other products and all I needed to do was try a different ant+ dongle, really simple but nearly binned a few hundred £ of crank for lack of help!

Excellent service Excellent on-phone advice regarding power meter and bike frame/ group set compatibility. Quick delivery to Canada. Awaiting installation on the bike so unable to comment as yet on use of the SRAM Force AXS Spider mount power meter.

Great Power Meter, customer service and ease of install! Having not been very satisfied with advice on Quarq power meters from a few Canadian bike shops, I called Quarq direct to determine which set to go with. The guy I spoke to was exceptionally helpful and checked into my bikes specification to match me to the right Quarq. He even gave me a “watch out” for the chainrings that I run when switching out. Placed an order direct with Quarq and received within a week! Only negative would be the packaging could be a bit more secure. When received, the cranks were not in their holders within the box and we’re loose so would have rattled around inside the box. All installed, working perfectly on the indoor trainer and now to wait for a warmer day to hit the road!

Outstanding customer service from Quarq… Outstanding customer service from Quarq tech rep who answered pre-purchase questions I had and then placed the order for me. Quarq DZero for Specialized arrived on time and I had it installed by my LBS. I've only had a chance for a short test ride so far, but I am very happy with the power meter. It connected instantly with my Garmin 520 and 920XT, responded immediately to power changes and also saves some weight over the P1 pedals I had been using on my bike.

Plain and simple Quarq is the best I have had a Quarq power meter for the past year and it has been wonderful. I did have to contact Quarq for a problem that I was having that stop me from using my device but made it aggravating and they were quick to respond and had great information that helped me troubleshoot my device and get it working perfectly. I could imagine using another power meter on my bike.