Conti Tube 275/300 x 21 TR4 (300-80/100-90/100) Continental (CT21275) S3-MODEL_MT VIALE SV S MTX quality throttle tube replacements

MTX quality throttle tube replacements meet or exceed OEM specifications

The black ceramic coating is highly resistant to heat discolouration and chemical corrosion

Unique Pinlock features:

Suitable for a wide range of rim specifications with its flexible TL/TT bead design

Conti Tube 275/300 x 21 TR4 (300-80/100-90/100) Continental (CT21275) S3-MODEL_MT VIALE SV S MTX quality throttle tube replacementsThis premium inner tube is engineered for 21 inch wheels, providing a reliable and airtight seal for off road or road use. The TR4 valve stem is standard for many motorcycle rim configurations. Constructed from a high quality rubber compound for improved puncture resistance. Sized accurately to ensure consistent wall thickness when fully inflated. Features a threaded metal valve stem with a secure locking nut and cap. Excellent heat resistance ensures