Jason Sumner
Latest articles by

PowerTap P1 pedal and C1 chainring power meters launched
By Jason Sumner last updated
398g P1 pedals offer L/R data, while C1 chainring/spider mounts on any 110 crank

Stages Cycling indoor bike launched
By Jason Sumner last updated
Power-meter-equipped indoor bike draws on company's history

Mavic overhauls Ksyrium line with wide rims, tubeless capability
By Jason Sumner last updated
Six wheels plus shoes and clothing in refocused Ksyrium family

New road gear at Interbike's Outdoor Demo
By Jason Sumner last updated
Sony Action Cam, nasal expanders, Kappius wheels and more
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