Challenge Gravel Grinder TLR Folding Tire - 38-622 - black/black

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  • Description
  • Fact Sheet
  • Ratings (2)

Description of Challenge Gravel Grinder TLR Folding Tire - 38-622 - black/black

This Tubeless Ready all around gravel 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.

This folding tire with a 120 TPI casing made of nylon is very supple and comes with a Puncture Protection Strip (PPS), which is an extra layer of highly resistant material between the casing and the tire to reduce the risk of punctures.
  • Description
  • Fact Sheet
  • Ratings (2)

Fact Sheet of Challenge Gravel Grinder TLR Folding Tire - 38-622 - black/black

Product Name: Challenge Gravel Grinder TLR Folding Tire - 38-622 - black/black
Manufacturer: Challenge
Item Code: CHT399667
Year: 2020
Manufacturer item code: 02004 (38-622)
E.T.R.T.O.: 38-622
Dimension: See title or select dimension above.
Construction type: folding tire
Material: bead: aramid | casing: nylon
Weight: approx. 370 gram (38-622 | manufacturer information))
Tire pressure in bar: 3-5.5
Carcass density in TPI/EPI: 120
Purpose: Cyclocross ||| Gravel
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  • Description
  • Fact Sheet
  • Ratings (2)


(2 Ratings)
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Customer Reviews

Anonymous Jun. 28th 2019

Rolls Fast but tire threads are unraveling internally
Purchased in April, raced at Dirty Kanza in June, both tires began disintegrating internally though held air long enough for wheels to be changed. Tire threads are coming apart where sealant (Mavic) pools when the bike is stationary. Extremely disappointed. Challenge did not return email queries.

Bike24: We apologize for the inconvenience caused by the product. If it was purchased at Bike24, please get in touch with our customer support. The Bike24 service team is your partner on the way to a satisfying and lasting solution.

Anonymous Mar. 24th 2019

Bleibt undicht, große Toleranzen
Ich habe den Reifen auf Tubeless Ready Felgen montiert mit Stans Dichtmilch. Die Flanken sind undicht auch nach 1000km und die Lauffläche nach 500km an mehrere Stelle schon durch. Sieht aber gut aus und rollt gut.
Sehr entäuscht.

Bike24: Wir bedauern die Schwierigkeiten mit dem Produkt sehr. Nehmen Sie bitte Kontakt mit unserem Kundenservice auf, wenn Sie das Produkt bei Bike24 erworben haben. Das Service-Team von Bike24 ist Ihr Partner auf dem Weg zu einer zufriedenstellenden und nachhaltigen Lösung.
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