This 29″, 1.90 – 2.35 Joe’s no flats self sealing tube is pre-filled with Joe’s super sealant. Joe’s sealant prevents tube and tyre damage from stopping your ride by instantly repairing the affected area. It can work on punctures up to 3mm in diameter so you can ride through the roughest sections of the trails with confidence.

• High quality tubes
• Instantly stops punctures – up to 3 mm
• No maintenance required, efficient up to 2 years

$37.99