StemCAPtains are an accessory for your bike that replaces your stem cap with a clock, thermometer, compass, or picture frame. Simply unscrew your existing current 1in or 1 1/8in threadless headset stem cap, pop in the CAPtain, and it’s Time to Ride!
Reviewed by: A customer from Missouri
Works good. Easy to install and accurate display. Mechanical guage means no batteries required. It relies on friction to hold it in place inside the cup that is screwed onto the top of the stem and is not a tight enough fit. Any small brush against the edge knocks it out so it is easily lost if you're not careful. We added a piece of double-sided tape to the back of it and that's helped.