The alloy body and shaft are stiff so it slides smoothly with no flex or handle/head contact even when you’re pumping hard. The level of detailing from solid, grippy construction to the secure double head makes it great to use and the big volume is great for fat tyres and super-fast inflation. Specialized Air Tool Big Bore at Competitive Cyclist for 50. Having had some frustrating, sticky experiences with other fat-body or hose-equipped pumps we approached the Big Bore with doubts. Best gravel tyres: from dusty to dirty, here's our pick of the best tyres for your gravel bike.12 best gravel bikes for racing and exploring off road.The fact the two halves twist-lock together when not in use means the shaft is more likely to stay clean which is crucial with large-bore pumps where there’s already more seal drag and a bit of grit can lock them solid. Testa a T con filettatura per valvole Presta. The reliable Air Tool Road Mini pump moves almost twice as much air as its predecessor, thanks to its inverted dual chamber design. The Air Tool Flex MTB/Road uses an inverted camber design that allows for quick fill-up on mountain tyres but can still reach the high pressures needed for road tyres. The Air Tool Road Flex combines our super compact jersey pocket road pump design with a flexible hose attachment for quick inflation of high-pressure road tyres without putting stress on the valve stem. La pompetta Airtool Flex Road è fornita di un raccordo flessibile per poter gonfiare i pneumatici ad alta pressione, senza sollecitare in modo eccessivo il corpo della valvola. The best road mini pump does two things wellit inflates tubes quickly, and it stashes easily. As long as the tyre is properly popped into place that’s enough for all MTB and most gravel purposes though and there are plenty of high-pressure options in the Air Tool family. Specialized Airtool Flex Road/MTB Hand Pump 55.00 In stock. It gives you total peace of mind on days when pesky flats catch you off-guard.

The large stroke volume means you’ll have to work hard to get up to 30psi and you’ll be risking the veins in your temple getting close to Specialized’s claimed 50psi. Now available with a traditional frame-mounting bracket the air tool road mini pump moves almost twice as much air as its predecessor with its inverted double-chamber design. It’ll obviously top-up conventional or pre-seated tyres quickly and easily too, so if you’re running fat rubber it’s awesome.

Specialized airtool road flex