- Topeak Road Frame-Fit Master Blaster Pump
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This Topeak Road Frame-Fit Master Blaster Pump is no longer available although you may find similar or newer versions below:
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Topeak Road Frame-Fit Master Blaster Pump
Topeak Road Frame-Fit Master Blaster Pump
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A modern take on the classic frame fit pump for road bikes. A long, machinecut barrel quickly inflates those high pressure road tyres. Pumps to 160psi.
Top Features of the Topeak Road Frame-Fit Master Blaster Pump
- Integrated seal and dust cap
- Padded pump head with internalhandle lock for easy gripping, handling and pumping
- Durable aluminiumthumb-lock
- Machine cut, sleekaluminium barrel; durable and lightweight
- Sizes available:
- Small for frame sizes 43-49cm
- Medium for frame sizes 49-54cm
- Large for frame sizes 54-59cm
- X-Large for frame sizes 59-64cm
- Size chart based on traditional frame sizes, for compact frames you may need to check the virtual seat tube length for best fit
About Manual Pumps
Mini pumps provide neat solutions to inflating your bicycle tyres, they often come with clips to attach them to your frame or are small enough to fit in your saddle bag or jersey pocket. Most will comfortably inflate to over 70psi, while some of the higher end pumps can reach over 140psi, making them suitable for both mtb and road use.
About the Topeak brand
The People at Topeak spend a good part of their days listening to cyclists needs and figuring out new ways to make their riding experience more enjoyable. This is born out of a desire to make their products better and better. Made up of a close knit global team of engineers, designers, sales and marketing folks, the Topeak Team continually looks at new ways of approaching cycling and its special requirements... that’s because they are riders too.
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Product Q & A
Ask your questions and share your answers.
This is because Topeak's "headline" pump sizes quoted on the Topeak packaging #and on the Wiggle website# are based upon Seat Tube length #the centre distance between bb and top tube centre# NOT Top Tube length.
These days, most riders wouldn't want to sacrifice a second bottle cage on the seat tube by fitting a pump between the bb and top tube, now that we know more about hydration and energy usage. MTB riders will choose a hydration pack, so fitting the pump to the seat tube makes sense when you may need to shoulder the bike over obstacles.
Neither do Road riders need to worry much about climbing obstacles, so often choose to fit a pump under the top tube #as most are when two bottle cages are used#. In this position, Topeak's "frame size" needs to be between 2 to 4cm LONGER than the classic "frame size" dimension, which assumes bb to top tube centres.
The diagram on the packaging clearly shows the pump fitted in this more practical "road" position UNDER the top tube. The diagram shows a horizontal top tube #NOT the sloping compact geometry often used today#. Only when you have the packaging for the pump do you realise that their diagram ALSO states the equivalent #greater# length between the seat tube and head-tube, which is the position which most #road# riders now choose.
So the answer is to use your top tube centres on a road bike as your "frame size" IF that's where you want the pump to fit. Good news is that due to the generous compression spring length in the pump handle, by measuring the "fitted length" under the top tube, it has only to match the mid-size of Topeak's equivalent seat tube length within a centimetre or so to give a good fit.
Anyone need a Master Blaster pump that's too short?
Can you confirm which size I need to purchase,
I have a Master Blaster frame fit pump mounted like yours on my Enigma Etape. According to Topeak's (seat tube) frame sizing, it's for a 54cm to 59cm frame, but on their packaging it's shown fitting under a top tube (nestling between the head tube and seat tube) whose length is stated as between 52cm and 57.5cm. based on these dimensions, the next size down (490cm to 540cm would fit under a top tube length of 46.5cm to 52cm. This might be a bit slack on your pegs (underslung pumps ned to fit very snug because knees and other bits often dislodge them).
The next smallest size would fit a top tube length of between 41cm and 46.5cm. This should give you plenty of compression to prevent it jumping off the pegs when you hit a pothole in the dark.
What will limit any pump engaging with the head tube's rear profile is the gap between the converging top tube and down tube, at their junction with the head tube. The diameter of the Blaster pump is quite snug at 25 / 30mm, so check if a cylinder that size which is suspended below the top tube could actually engage the head tube's curved profile, without fouling first the two converging tubes at their joints. Good luck, but there's always the Mini Blaster, which fits into a bum bag or jersey pocket.
These pumps are designed for older frames that do not have sloping top tubes, best to get a good mini pump and clip it to the bottle cage bosses
Can someone please tell me the actual length of the Medium and Large pumps, (a) overall length and (b) length with handle fully compressed?
Can someone please confirm the correct length of the Large pump so that I can order the right size as a replacement?
Cycle-touring with MTB 26" wheels & this would double as a good stick to ward rabid dogs off with :-)
It's a sound investment as a rabbid dog deterent. Terriers-on-a-stick are one thing, but Rottweilers maybe not!
See my answer on frame-fit sizing to ensure you get the right size pump.
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