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3100 1st Ave
Spearfish, SD 57783



Toll Free (800) 660-6853
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Velotron inquiries will be given priority. Please email thinkfast@quarq.com. Unfortunately, since CompuTrainer was discontinued in early 2017, we are no longer able to offer technical support for this product. After checking our Help Center and FAQ, and Jeff's troubleshooting document, if you haven't found an answer to your question, you can email jeff@computrainer.com and if possible, he will try to respond to your inquiry.
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