berlinonaut
Veteran
- Location
- Berlin Germany
BTW: One downside/limitation of the Lidl pump you bought can be seen in the technical data: The nominal pressure is 7 bar / 100 PSI, the max allowable pressure 8 bar / 116 PSI. On can fairly assume that with most pumps the max. pressure is way beyond the level what's comfortable to pump with them and even the "nominal" pressure can be challenging. The Brompton is using high pressure tires. If we look at the pressures they require we see i.e.:
Kojak in Brompton size: 8 bar https://www.schwalbe.com/en/tour-reader/kojak
Marathon: 7,5 bar https://www.schwalbe.com/en/tour-reader/marathon
Marathon+: 7,5 bar https://www.schwalbe.com/en/tour-reader/marathon-plus
Continental Urban: 8 bar https://www.bike-components.de/de/Continental/Contact-Urban-16-Drahtreifen-p81029/
Schwalbe One: 7 bar https://www.brompton.com/shop/parts/schwalbe-one-tanwall-tyre#specs
Schwalbe Marathon Racer: 7,5 bar https://www.brompton.com/shop/parts/schwalbe-marathon-racer-tyre-reflective-strip#specs
So if you'd like to pump up your tires on the Brompton to or close to the max pressure recommended by the manufacturer (which I'd recommend at least for the rear wheel to gain better rolling resistance and even more, if you are a heavier rider) you are with your new pump at or above the limit what this pump can deliver. Which is a bit of a bummer given that you bought it for one single reason: To pump higher pressures easily as your former Aldi pump failed to achieve that.
In comparison, a Toppeak Joe Blow Sport is specified to 11 bar / 160 PSI which makes it easy and comfy to reach Brompton pressures, as tey are well in the middle of what it is able to deliver. The SKS Rennkompressor is even specified for 16 bar/230 psi, so to achieve Brompton pressures are a snap with it.
In the UK, the Joe Blow is available from GBP33 at the moment, in Germany from below 30€.
It seems like you possibly did a little of a suboptimal investement and made you life harder instead of your tire (as the intention was).
