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Ultradynamico Cava JFF 650B x 47.99Ultradynamico Cava JFF 700 x 42 angleUltradynamico Cava JFF black angleUltradynamico Cava JFF black angleUltradynamico Cava JFF tread closeupUltradynamico Cava JFF 650BUltradynamico Cava JFF treadUltradynamico Cava JFF 700 x 42Ultradynamico Cava JFF blackUltradynamico Cava JFF black
  • Ultradynamico Cava JFF 650B x 47.99
  • Ultradynamico Cava JFF 700 x 42 angle
  • Ultradynamico Cava JFF black angle
  • Ultradynamico Cava JFF black angle
  • Ultradynamico Cava JFF tread closeup
  • Ultradynamico Cava JFF 650B
  • Ultradynamico Cava JFF tread
  • Ultradynamico Cava JFF 700 x 42
  • Ultradynamico Cava JFF black
  • Ultradynamico Cava JFF black

Ultradynamico Cava JFF Tire


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  •  3D diamond file tread massages granular terrain for perceivably 20-30% more traction than a slick
  • Slightly higher volume than the Rosé, giving it the same effective outside diameter, leaving geometry unchanged when pairing with Rosé up front
  • Carbon compound for longer (normal) tread wear
  • JFF provides more durable casing than Ultradynamico RACE offerings.  Fixing flats, while character building, has never been fun
  • Less susceptible to tread slashes than a true slick
  • Zero sidewall protection and no puncture protection on top for premium ride quality
  • Leak free sidewalls
  • Designed to be inflated/deflated to tastefully low pressures: 25-35 psi (650b); 30-40 psi (700c)
  • Tubeless compatible with tubeless rims
  • Continuous center negative dark space aeronautic deltas for pure intoxicating SPEED
  • 650b x 47.99mm and 700c x 42.??mm available
  • Tires packaged and sold individually
  • 510g and 465g
Additional Info

Ultradynamico Cava JFF Tire

The Ultradynamico Cava JFF is a fine wine indeed. A minimalist tire for those who want the free speed of a high volume slick but need a tire that is more predictable in looser corners.  Designed to be used as a pair, or as the rear compliment to a Rosé front tire for extra cornering and braking traction.

What does JFF mean? Just For Fun, but not only for fun- these tires are equally equipped for long days locked in the pain dungeon as they are for a Sunday tour of your local vegan doughnut shop.

JFF is the most accessible offering from Ultradynamico; think of it as the industry standard in terms of casing and rubber spec.  The Ultradynamico Cava JFF represents approachable luxury.

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