You are looking at the Topeak SmartHead Pump Rebuild kit for the Joe Blow Pro and Joe Blow Booster pumps. The kit includes all the parts shown in the photo above.
Includes plastic cap, rubber washer, plastic valve adapter and rubber O-ring
NOTE: The 1/2-inch O-ring in SmartHead is not included and is hard to replace; Replacing the entire SmartHead is recommend if O-ring is damaged.
CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP"), which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
Installation of all (5) parts is obvious if you watch how the old ones come out. The large o-ring is for the main piston inside the barrel - easy to access by removing the top nut under the plunger handle. It would have bee nice is the kit included a small amount of grease for the o-ring - it looked almost like antiseize (very silvery) rather than normal grease, bur a little silicone grease seemed ro work fine.
Topeak Joe Blow Pro is an awsome floor pump. I use mine 3 times/week off season and almost daily through the season. Eventually the seals wear. The kit keeps your JB Pro alive another couple seasons. If you've discovered the JB Pro floor pump grab 1 of these for stock in your bike closet. You'll be glad to have it on hand when you need it!
Usually a great thing to extend the life of your pump
This is my second rebuild kit over the years. The first one worked great to make my balky pump head work like new again and that lasted for a couple of years. This kit is so cheap and easy to install, its a no-brainer. The latest one I got doesn't seem to be working quite as good, but that might be because some other part of the pump is wearing down after 10 years on the job.
Decent kit but missing one O ring that should be included...
Got it for one O-ring (that seals air) which was damaged on my pump head. Came with everything but that. Had to go to local HW store and do trial and error. Ended up replacing all parts on picture since I got it but kit in my opinion is not complete.
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