DURO TUBE 650B/27.5 x 2.25/2.35/2.50, 57/64-584 A/V

DURO TUBE 650B/27.5 x 2.25/2.35/2.50, 57/64-584 A/V

£6.00 GBP
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DURO TUBE 650B/27.5 x 2.25/2.35/2.50, 57/64-584 A/V
  • DURO TUBE 650B/27.5 x 2.25/2.35/2.50, 57/64-584 A/V
DURO TUBE 650B/27.5 x 2.25/2.35/2.50, 57/64-584 A/V

DURO TUBE 650B/27.5 x 2.25/2.35/2.50, 57/64-584 A/V

£6.00 GBP
Taxes included. Shipping calculated at checkout.

The 27.5 / 650B x 2.25-2.50 A/V 35mm Tube is a practical, durable and affordable replacement inner tube for wider 27.5 inch mountain bike tyres, making it a smart puncture repair and spare-tube option for Brisbane trails, Queensland bikeways and everyday Australian MTB riding.

Key Features

  • Fits wider 27.5 inch / 650B tyres from 2.25 inch to 2.50 inch
  • ETRTO 57-64-584 sizing suits common trail and MTB tyre widths
  • A/V American valve, also known as Schrader valve, for easy inflation
  • 35mm valve length suits many standard MTB rims

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Key Features & Technical Specifications

Technical Specifications

  • Product Name: 650B / 27.5 x 2.25 / 2.35 / 2.50 A/V Tube
  • Product Type: Bicycle inner tube
  • Wheel Size: 27.5 inch / 650B
  • ETRTO Size Range: 57-64-584
  • Compatible Tyre Sizes:27.5 x 2.2527.5 x 2.3527.5 x 2.4027.5 x 2.50650B x 57-64mm
  • Valve Type: A/V / Auto Valve / American valve / Schrader valve
  • Valve Length: 35mm
  • Valve Style: Straight valve
  • Material: Butyl-style rubber inner tube construction
  • Colour: Black
  • Recommended Use: MTB, trail riding, recreational riding, wider-tyre hybrid bikes, e-bike use where compatible, bikepacking, commuting and puncture repair
  • Best Bike Type: 27.5 inch mountain bikes, hardtails, dual-suspension bikes, trail bikes, recreational MTBs and compatible 650B e-bikes
  • Main Upgrade Purpose: Tube replacement, puncture repair, spare tube kit, MTB service, trail bike maintenance and everyday bike servicing

Compatibility Notes

  • Designed for 27.5 inch / 650B wheels only.
  • Best suited to tyres marked 27.5 x 2.25, 2.35, 2.40 or 2.50.
  • The rim must be drilled for a Schrader / A/V valve.
Notable Tech, Materials & Construction
Size, Fit, Geometry & Measurements

Tube Fitment

  • Wheel Diameter: 27.5 inch / 650B
  • Rim Bead Seat Diameter: 584mm
  • ETRTO Width Range: 57-64mm
  • Tyre Width Compatibility: 2.25 inch to 2.50 inch
  • Valve Type: A/V / Schrader
  • Valve Length: 35mm
  • Valve Position: Straight
  • Material: Butyl-style rubber

Fit Checklist Before Purchase

Before ordering, confirm:

  • Your tyre sidewall says 27.5 inch, 650B or 584.
  • Your tyre width is between 2.25 and 2.50 inches.
  • Your rim uses a Schrader / A/V valve hole.
  • Your tyre is not cracked, cut or excessively worn.
  • Your rim tape is secure and covering all spoke holes.
  • There is no glass, wire, thorn, bindi or sharp debris inside the tyre.
  • Your pump is compatible with Schrader valves.

Installation Notes

  • Add a small amount of air so the tube takes shape before fitting.
  • Inspect the tyre casing carefully before installation.
  • Fit the tube evenly inside the tyre.
  • Avoid trapping the tube under the tyre bead.
  • Inflate gradually and check both tyre beads are seated evenly.
  • Recheck tyre pressure before riding.
  • Replace damaged rim tape or worn tyres if punctures continue.
Who it is best suited for and where it is best suited
Product Care & Warranty Info

Product Care

  • Check tyre pressure regularly.
  • Keep tyres inflated within the pressure range printed on the tyre sidewall.
  • Inspect tyres for glass, thorns, wire or sharp debris.
  • Check rim tape if punctures occur on the inside of the tube.
  • Avoid riding under-inflated, as this can cause pinch flats.
  • Replace cracked, worn or damaged tyres.
  • Store spare tubes away from heat, sunlight and sharp tools.
  • Do not overinflate the tube outside the tyre.
  • Use care when fitting with tyre levers.
  • Recheck tyre bead seating before riding.

Warranty Information

  • Warranty coverage is subject to manufacturer or retailer terms and conditions.
  • Warranty generally applies to manufacturing defects such as faulty seams or valve defects.
  • Punctures, pinch flats, incorrect installation, tyre damage, rim tape failure, overinflation, underinflation, heat damage and impact damage are generally not covered.
  • Tube life depends on tyre condition, rim tape condition, air pressure, rider weight, terrain and installation quality.
  • Professional installation is recommended if punctures keep returning or if the cause of air loss is unclear.
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