Silca Ultimate TPU Tube - 700 x 24-43mm | 70mm Presta Valve

Silca Ultimate TPU Tube box with the folded tube, alcohol prep wipe and patch
Threaded aluminum Presta valve on the Silca Ultimate TPU Tube
Three boxed Silca Ultimate TPU Tubes with folded tubes in front of each box
Silca Ultimate TPU Tube box beside an open Silca seat pack holding a folded tube
Silca Ultimate TPU Tube box with the folded tube, alcohol prep wipe and patch
Threaded aluminum Presta valve on the Silca Ultimate TPU Tube
Three boxed Silca Ultimate TPU Tubes with folded tubes in front of each box
Silca Ultimate TPU Tube box beside an open Silca seat pack holding a folded tube

Silca Ultimate TPU Tube - 700 x 24-43mm | 70mm Presta Valve

Silca Ultimate TPU Tube - 700 x 24-43mm | 70mm Presta Valve

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What is the Silca Ultimate TPU Tube 70mm valve built for?

The Silca Ultimate TPU Tube for 700 x 24-43mm tires with a 70mm Presta valve is built for deeper rims, since Silca recommends the 70mm valve for rims 40 to 60mm deep. It packs down to less than half the size and weight of a butyl tube, so two spares fit where one used to. A patented valve attachment mechanically joins the valve to the tube, and a welded joint is there to stop the seam failures older TPU tubes were known for. Folded, it measures 39 x 95 x 21mm and weighs 46g.

The threaded aluminum valve helps the tube resist heat from an electric pump, the core is removable, and a valve nut keeps it secure and rattle free. It works with rim and disc brakes, and each tube comes with a patch and an alcohol wipe for a quick repair. Silca says it fits in its Mattone seat pack along with an Elettrico inflator, tire levers and a multitool. It is for riders on deeper rims with 700c or 29in tires from 24 to 43mm wide who want a smaller spare in the bag or a lighter tube in the tire.

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$39.00
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Specifications

  • Wheel Size: 700c / 29in
  • Tire Width: 24-43mm
  • Valve: 70mm Presta, threaded aluminum, removable core
  • Recommended Rim Depth: 40 to 60mm
  • Weight: 46g
  • Folded Size: 39 x 95 x 21mm
  • Brake Compatibility: Rim and disc
  • Rim Compatibility: Clincher and tubeless-ready rims
  • Included: Patch, alcohol wipe and valve nut
  • Warranty: Two-year limited warranty against manufacturer defects
  • MPN: AM-AC-065-ASY-0200

FAQ

What valve length do I need for the Silca Ultimate TPU Tube?

Silca recommends the 50mm valve for rims under 40mm deep and the 70mm valve for rims 40 to 60mm deep. This listing is the 70mm valve for 24-43mm tires.

Can I put sealant in the Silca Ultimate TPU Tube?

No. Silca does not recommend filling the Ultimate TPU Tube with sealant or using it with sealant, because sealant inside a tube will likely not work properly. It can be used to fix a flat in a tire whose sealant has failed.

Can I inflate the Silca Ultimate TPU Tube with an electric pump?

Yes. Silca says to inflate in 10 to 15 PSI steps with an electric pump so heat does not damage the tube, and never to go past the tire maker's maximum pressure.

Does the Silca Ultimate TPU Tube work with rim brakes?

Yes. Silca tested it as thick enough for rim brakes in standard riding. On very long descents where the brakes stay on for 10 minutes or more, Silca says the tube could get too hot, so use caution.

Will the 24-43mm Silca Ultimate TPU Tube fit a slightly wider tire?

Silca says the TPU stretches enough for a slightly larger tire, and recommends staying within 2 to 3mm of the listed 24-43mm range. Silca advises against using it in narrower tires.

Is the Silca Ultimate TPU Tube covered by a warranty?

Yes. Silca covers it with a two-year limited warranty against manufacturer defects. The warranty does not cover punctures or failures from improper inflation.

Best For

Riders on rims 40 to 60mm deep with 700c or 29in tires from 24 to 43mm wide who want a spare that takes less than half the room of a butyl tube, or who want to cut weight from a tubed setup.

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