Bridgestone G511 Motorcycle Tire - 2.75-18 - 42P
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Product Information
Full details
The Bridgestone G511 is an ideal choice for owners of classic and vintage Japanese touring motorcycles who prioritize reliable handling and consistent performance. Engineered as original equipment, these tires deliver exceptional grip and a neutral handling profile for a stable riding experience, though riders should note that the P-speed rating limits usage to lower-speed touring and urban environments.
All features
| Model Part Number | 719.25.29 |
|---|---|
| Brand | Bridgestone |
Extended Product Information
FAQs
Can I use this tire without an inner tube?
No, the G511 is a Tube Type (TT) tire and must be used with a compatible inner tube.
What does the 42P rating mean?
The 42 refers to the load index (150 kg), and the P represents a speed rating of up to 150 km/h (93 mph).
Is this tire suitable for highway riding?
Yes, it is designed for touring, but you must ensure your highway speeds do not exceed the 150 km/h speed rating.
Does this tire fit modern sport bikes?
No, this tire is specifically designed for vintage Japanese touring motorcycles and should be used on the models intended by the manufacturer.
How often should I replace these tires?
Tires should be replaced if tread depth is below 1.6mm, if the rubber shows signs of dry rot (cracking), or every 5-6 years regardless of use.
Troubleshooting
Handling feels unstable or wandering
Check your tire pressure immediately; under-inflation is the leading cause of poor handling in touring tires.
Premature tire wear
Ensure your wheel alignment is correct and your suspension settings are not bottoming out or set too stiff for your load.
Pros and Cons
Pros
- Stable and predictable neutral handling
- Reliable grip for touring conditions
- Designed specifically for vintage Japanese bikes
- High-quality construction from a reputable brand
Cons
- P-speed rating limits top speed to 150 km/h (93 mph)
- Requires inner tubes for installation
- Not intended for high-speed sport riding
Setup, Compatibility & Care
To ensure optimal safety and performance, the G511 must be paired with a compatible inner tube, as this is a Tube Type (TT) tire. When mounting, always inspect the rim strip for wear or debris that could puncture the tube. It is recommended to inflate to the manufacturer's specified tire pressure found in your motorcycle's owner's manual, not the maximum pressure listed on the tire sidewall. Check your tire pressure weekly, especially if the motorcycle has been sitting for an extended period, as vintage-style tires can lose air pressure faster than modern tubeless variants.