Challenge Paris-Roubaix tubular

Challenge Paris-Roubaix tubular
Produktinformasjon

A max. volume 27mm sect. tubular for fast but safe riding on poor condition roads. Delivers the best comfort you can achieve from a top performing racing tyre.

Top Features of the Challenge Paris-Roubaix Tubular Tyre

Use Road racing
Size 28"
Width 27"
Weight 330 gr
TPI 300
Bead
Carcass Super Poly
BAR 6.5-8.5
PSI 94-123

Product Data

Road: Yes
Weight (g): 330
Tyre Bead: Tubular
Puncture Protection: Double Puncture Protection Strip
Use: Road, Gravel
Wheel Size: 700c (622)

The casing is produced with the latest technical materials like Corespun (a cotton and polyester combination). Corespun is a thread from which we obtain a very supple and strong casing with low weights. The casings have a high TPI count that can reach over 300 tpi. Challenge's production process avoids any vulcanisation process to enable all materials to keep their suppleness and flexibility.

The tread is slowly hand glued on the casing which is previously mounted and inflated on a rim. By using this method the tread is relaxed on the casing and does not suffer any tension when inflated. The result of this is a lower rolling resistance, increase in comfort, more precise handling of the bike and better grip. Hand made tubular are well known by professionals and is this type of tyre that is preferred for the long stage races.

To give the best possible grip in curves Challenge uses the most updated materials to obtain flexibility, suppleness and this results in absorption of irregular surfaces giving to the cyclist the best possible contact patch. The wheel avoids jumping and the tyre will deform and absorb the irregularities acting in some way as a shock absorber. A special fabric is placed between the tread and casing to increase puncture resistance PPS (Puncture Protection System) technology.

Comfort means reduction of harmful vibrations for the wrists and neck, these vibrations, will end causing inflammatory problems, as a hard tyre will transfer all the vibrations directly to the racer body.

990 kr
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