Challenge Gravel Grinder PRO Handmade TLR - folding tire
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- In stock, delivery time 1-3 days
Features - Challenge Gravel Grinder Pro TLR
- Handcrafted tyre for maximum comfort and minimum rolling resistance
- Soft, smooth casing quickly adapts to the shape of the ground when rolling and in corners
- Extra puncture-proof thanks to Puncture Protection System 2 (PPS2)
- Natural rubber tread offers perfect durability without compromising performance, comfort and control
- Standard hardness offers the ideal blend of performance, control and durabilit
Product features
- Use: Gravel
- Casing: SuperPoly Corazza Armor
- Flat Protection: PPS2
- Bead Type: Aramid
- Tire type: Folding/TLR
- Pressure
- 33-622: 2.5 - 4 Bar (35-60 PSI)
- 36-622: 2 - 3.5 Bar (30-50 PSI)
- 40-622: 1.7 - 3 Bar (25-45 PSI)
- TPI: 260
Size / ETRTO (choose variant)
- 700 x 33C / 33-622
- 700 x 36C / 36-622
- 700 x 40C / 40-622
Weight (manufacturer information)
- 33-622: 390 g
- 36-622: 420 g
- 40-622: 470 g
Scope of delivery
- 1 x Challenge Gravel Grinder Pro TLR Folding Tyre
Technologies
Pro Handmade Clincher
Handmade tyres combine a variety of outstanding features to offer the highest comfort and lowest rolling resistance. Carefully selected materials are used in the different tyre levels according to usage performance requirements. Soft, supple carcasses quickly adapt to the shape of the surface when rolling and cornering. This increases ground contact and grip and improves shock absorption on poor road surfaces. Soft, natural rubber treads are combined with lightweight, flexible puncture protection.
Superpoly casing
Polyester is the cheapest of all handmade casings. It is a synthetic fabric that is very strong and waterproof and offers much more flexibility and durability than comparable nylon materials. Challenge uses high quality polyester or SuperPoly (higher TPI polyester) to produce cost effective pro-level tyres.
Handcrafted Natural Rubber - Standard Hardness
Challenge's handcrafted natural rubber treads are compounded to provide the perfect amount of durability without compromising performance, comfort and control. Challenge tyres wear out 10-20% faster than the competition, but offer significantly improved performance and feel throughout their life. Depending on the requirements, the tyres are equipped with different soft rubber compounds. The Standard hardness grade offers the ideal blend of performance, control and durability.
Puncture Protection System 2 (PPS2)
Tires designed for use on rough roads, cobblestones and gravel are equipped with PPS2 (Puncture Protection System 2). In addition to the normal PPS protective layer between the tread and casing, these tyres offer unrivalled puncture protection thanks to an additional PPS fabric layer between the casing and the inner tube.
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Pro: Fahrgefühl gerade in Kurven, super! Bevorzuge ich weit vor Specialized oder Panaracer ... Leichter Reifen! Guter Pannenschutz. Schick! Cons: Äußerst schwierige Montage. Laufen nicht 100% gerade! Teuer! Hatte noch keine Platten unterwegs mit dem Reifen ... aber wird sicher ein Alptraum.