CST BTB Platinum Protector 28 x 1 3/8 Black With Reflector

Unrivaled Puncture Protection for High-Speed E-Bikes.

Say goodbye to flats and ride with confidence thanks to the CST Platinum Protector 28 x 1 3/8 tire. Designed for the urban commuter and e-mobility enthusiast, this tire delivers ultimate anti-puncture defense without compromising comfort. Featuring a revolutionary dual-layer system, it repels sharp objects and shields your inner tube from the harshest road hazards. Engineered for e-bikes up to 50 km/h, it meets strict European ECE-R75 standards, ensuring legal compliance and maximum safety for high-speed rides. Upgrade your ride with the best in class and leave punctures in the past.

Key Features

• Dual-layer protection: rubber layer deflects sharp debris, woven EPS layer blocks penetration.
• Enhanced puncture resistance: surpasses standard Double Breaker technology.
• ECE-R75 approved: certified for e-bikes and S-pedelecs up to 50 km/h.
• Optimized for comfort: maintains smooth ride quality despite robust protection.
• Durable black finish: sleek, urban aesthetic with reflective sidewall for added visibility.

Technical Specifications

• Brand: CST
• Model: Platinum Protector R
• Color: Black with reflective sidewall
• Size: 28 x 1 3/8 (37-622)
• Anti-puncture system: Dual-layer (rubber + woven EPS)
• Maximum speed rating: Suitable for e-bikes up to 50 km/h
• Certification: ECE-R75 approved for S-pedelecs with legal road use
• Intended use: High-speed e-bikes, urban commuting, and daily riding
• Comfort: Designed to balance puncture protection with ride smoothness

Frequently Asked Questions