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Challenge Gravel Grinder Pro HTLTU Tubular Tire - 33-622 - black-tan

Challenge Gravel Grinder Pro HTLTU Tubular Tire - 33-622 - black-tan

The Gravel Grinder Pro tubular tire is designed for long rides over gravel roads. Thanks to the Puncture Protection System it is also suitable for a rougher everyday use. The flat tread in the middle keeps the rolling resistance low while the higher side knobs offer the needed cornering grip. The 260 TPI casing made of polyester is very supple.

Handmade Tubeless Tubular - HTLTU

The unique HTLTU system that maintains all the performance benefits of the best handmade tubulars. A latex liner is fused to the casing, replacing the traditional inner tube, allowing for the use of a plug to finish a ride or race in case of a puncture too large for the sealant to fix.

Puncture Protection Strip

The Puncture Protection System is a special fabric placed between a tire’s tread and casing to increase resistance to punctures.
Weight supplement: manufacturer information

Fact Sheet of Challenge Gravel Grinder Pro HTLTU Tubular Tire - 33-622 - black-tan

Product Name: Challenge Gravel Grinder Pro HTLTU Tubular Tire - 33-622 - black-tan
Manufacturer: Challenge
Item Code: CHT470126
activity: Cycling
usage bikesport: Road Bike, Cyclocross, Competition, Gravel, Allroad / Gravel Road
wheel size: 28" (29") (622mm)
tire type: Tubular Tire
ETRTO: 33-622
tire properties: Skinwall
tire width: 33mm
tire compound: Super Poly
Model year: 2022
Color: Black, Beige
weight: 465g
manufacturer item code: 10670
Manufacturer page: http://www.challengetech.it