Challenge STRADA PRO 700x25mm Clincher Road Tyre : OPEN TUBULAR : TAN

  • €58.24

Possibly the best all-round road tyre on the market. Hand-made for unrivalled suppleness, grip, control and speed, the Challenge Strada PRO 25 Tan wall tyres soak up road buzz to smooth the ride.

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Product description

Season : 2019
Code : CH-HC-00508
Weight : 0.5KG

The Challenge Strada PRO road tyres have rapidly become a favourite of mine. It is a supremely comfortable tyre that deftly soaks up the noise of the terrible Berkshire roads. The Strada PRO is a super compliant, fast rolling tyre with monumental levels of grip and control and is particularly impressive while cornering - even in the wet.
Arguably, nothing holds more importance than your tyres. They determine how fast you go, how you corner how comfortable you are, how long you spend with your wheels out and - handling aside - how likely you are to 'touch-down' to use the parlance of the pros. Key among a tyre's attributes is suppleness and this is what you pay for.
Challenge have been around since 2003, after failing to secure a license from Pirelli to use the Clément trademark (a brand he had long been supplying and servicing), Max Brauns and subsequently his son and daughter have continued to define the tubular and open-tubular tyre market with huge success - globally - at all levels of all cycle sports; from Triathlon to Cyclocross.
Supple tyres not only offer a sublime ride, they reduce rolling resistance, and enable more precise handling and a greater range of pressures. They adapt quickly as the tyre changes shape while cornering and rolling, which increases road surface contact and grip while cornering, plus shock absorption as you pass over irregularities in the road or trail. Suppleness stems from many areas and Challenge's aim for their tyres is to optimise this at every possible juncture while at the same time balancing costs to offer a range of tyres suitable for various levels of rider or for training and racing conditions.
Challenge make a range of hand-made Tubular and Open-Tubular (Clincher) tyres and the bulk of these feature non-vulcanized construction. Ultimately the major difference between a Handmade Tubular / Open Tubular and the majority of clinchers is that it will avoid the heat and pressure process called vulcanization, which most tyres undergo in production. Vulcanisation is used to bind the materials, but compromises the ride quality when the rubber gets stiffer. For Challenge handmade open tubulars, the rubber treads are hand-glued onto the casing allowing the latex and rubber to maintain their ideal qualities. In addition, thread count (TPI) plays a major role in the weight, suppleness and durability of Open Tubulars. The higher the number of threads per inch (TPI), the thinner each individual thread, making a thinner and lighter casing and a more supple tyre, with lower thread counts resulting in casings that are thicker and more durable. The Strada Pro Hand Made Clincher (HCL) 25 features 260 threads per inch - the same as the Tubular. While this is lower than the equivalent 'cross tyres, it is perfect for the given use of the tyres which are likely to be run at higher pressures and which need to be slightly more durable.
The SuperPoly polyester casing used in the Strada Pro are less expensive than the Silk used in the top end of the range Ultra S, and more durable too. This construction offers the optimum balance for riders looking to get the best out of their tyre but without the expense of regular replacement of less durable tyres. At the same time providing the qualities of top-end tubulars. In addition to the TPI and hand-glueing of tread, Challenge use locally sourced (Thai) natural rubber rather than synthetic rubbers for their tyres. Again, natural rubber is more supple and the grip far superior.
Tubular tyres have long used Latex for their inner tubes but Challenge have taken this element even further in their quest to create the most supple ride. Back in 2006 Challenge created their first seamless latex tube to be used in tubulars and also to be available for use in Open-tubulars and clinchers. Produced in their own factory from locally-sourced materials, these tubes have elastic and absorptive qualities that enable a larger point of contact than a butyl tube. The added elasticity reduces rolling resistance and enhances comfort and speed, making latex an ideal material for racers at the top level of the sport. If you want to get the most from your Challenge Open-Tubular or clinchers then we highly recommend latex tubes. In real terms they are good for 2-4 watts out on the road.
Given the intended application - all-round tarmac and potentially rough roads, it makes sense to offer some security against flats and Challenge achieve this by placing a layer of PPS (puncture protection strip) between the casing and the tread. This unique fabric adds little weight but a huge amount of peace of mind.
Challenge's Strada Pro Handmade clincher is a super-supple tyre designed for racing on rough roads. If you're a rider who wants a beautiful tyre that can cope with rough roads, these are a great choice. The extra volume they provide along with excellent shape and ride quality makes them near perfect and the reason I ride them.

Challenge - HCL - STRADA - 700x25-Tan - 300TPI - SuperPoly - PPS2

Description by Owner, Dave Words by Dave
Look like a Pro, Act like a Pro, Ride like a Pro.

Size Guide

The pro's opinion

Technical Information

Use: Rough Road, Cobbles, Big Riders, Hard Packed Dirt
Size: 28" / 700c
Tyre Width: 25mm
Internal Rim Width: 15-19mm
TPI: 260
Casing: SuperPoly
Bead: Aramid
Flat protection: Single PPS
PSI: 80-110
Colour: Black-Tan

Buyers Guide


For greater puncture protection add sealant to your tubes.



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