The IRC RX-01 rear motorcycle tire is a high-quality OEM replacement designed for dependable street performance and everyday riding. This tire uses a 140/70-17 size with a 66S load and speed rating, making it suitable for motorcycles that specify this fitment. Its rear-wheel application supports balanced handling, traction, and rider confidence across common road conditions.
Manufactured by IRC, the RX-01 is built as a practical replacement tire for compatible motorcycle applications. Confirm your motorcycle manufacturer’s fitment requirements, including the required tire size, load rating, speed rating, and rear-wheel position, before installation. The 140/70-17 specification must match the original equipment recommendation for proper clearance and performance.
The IRC manufacturer part number and vendor part number are both T10306. This replacement tire is intended for professional installation and should be mounted, balanced, and inspected according to the motorcycle manufacturer’s service guidance and applicable tire safety procedures. With its OEM replacement design and clearly defined 66S rating, the IRC RX-01 offers a reliable option for maintaining the intended fit and road-going performance of compatible motorcycles.
Features:
- Size: 140/70-17
- Model: RX-01
- Position: Rear
- Brand: IRC
- Manufacturer part number: T10306
- Vendor part number: T10306
- Load and speed rating: 66S
- Application: OEM replacement motorcycle tire
- Fitment: Designed for motorcycles requiring a 140/70-17 rear tire with a 66S rating