Bliss Out Next Time You Roll Out™

O-Ring

author:

O-Ring

A small rubber circle located inside a pump’s chuck (and potentially other parts) that helps ensure a tight seal and prevents air from escaping.

Derek is an avid cyclist with more than two decades of experience in the sport, and currently resides in Denver, Colorado. He enjoys all types, including road, MTB, cyclocross/gravel, commuting, and touring. When he's not writing reviews and guides related to bike accessories, parts, and gear for TreadBikely.com, he's riding, talking about cycling, or thinking about bikes he can't afford. #rolloutblissout