Thorn Resistant 700c Bicycle Inner Tube with 33mm Presta Valve - Heavy Duty

DURO 700c Thorn Resistant Bicycle Inner Tube – Fits 35c / 38c / 43c, 33mm Presta Valve.

Item Description

• Item Type: Bicycle Inner Tube

• Tube Size: 700c

• Compatible Tire Widths: 35c / 38c / 43c

• Construction: Thorn-resistant / heavy-duty butyl rubber

• Intended Use: Hybrid, commuter, gravel, and city bicycle applications

• Brand: DURO

Valve Specifications

• Valve Type: Presta

• Valve Length: 33mm

• Valve Angle: Straight (0°)

• Valve Core: Non-removable

• Valve Stem Finish: Threaded

✔ Designed for rims drilled for Presta valves
✔ Threaded stem allows use of a valve retaining nut (where applicable)

Tire & Rim Compatibility

• Fits Tires Marked: 700 x 35c, 700 x 38c, 700 x 43c

• ETRTO Range: 35-622 / 38-622 / 43-622

• Wheel Size: Standard 700c (ISO 622) rims only

⚠️ Not compatible with Schrader-drilled rims unless a valve adapter is used
⚠️ Not compatible with 650B, 27", or 26" wheels

Common Bicycle Applications

• Hybrid bicycles

• Commuter and city bikes

• Gravel bikes (700c wheelsets)

• Touring bikes using wider 700c tires

• Urban and fitness bicycles requiring added puncture protection

(Always confirm tire size printed on the sidewall before purchasing)

Thorn-Resistant Benefits

• Thicker rubber construction compared to standard inner tubes

• Helps reduce punctures from:

  • Thorns

  • Glass

  • Road debris

• Ideal for daily commuting, mixed-surface riding, and utility cycling