Inazuma 1200 Rear Refresh | Upgraded to Latest T33 Tires and Sunstar Brake Disc

December has really brought the temperatures down, hasn’t it?
The morning frost here in Chiba’s Outer Boso region is no joke…

The Bridgestone T33 has arrived, so let’s get them swapped in.

Maintenance Log for This Article

Vehicle: SUZUKI GSX1200 (Inazuma 1200)

Work Performed:

  • Tire Replacement: Bridgestone BATTLAX SPORT TOURING T33 (Latest Model)
  • Disc Replacement: Sunstar (SUNSTAR) Custom Type Rear Disc Rotor
  • Other: Cleaning and greasing around the caliper support

Highlights: Replaced the worn OEM disc with a Sunstar unit. Combined with the latest T33 tires, both performance and appearance are noticeably sharper!

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Amazingly long-lasting performance that leaves you speechless. By Bridgestone

While maintaining the performance of the previous BATTLAX SPORT TOURING T32,
we’ve significantly improved wear life so riders can travel farther with confidence.
The newly designed compound is more resistant to wear, and through optimization of tread pattern and structure,
we’ve achieved both extended wear life and improved ride comfort.

Handling is designed with confidence, so you can control the bike smoothly even during winding roads or sudden rain while touring.
A single spec that suits a wide range of vehicles regardless of weight.

Regardless of weather, season, or distance, supporting the joy of touring from the ground up—
that’s the BATTLAX SPORT TOURING T33. *Quoted from Bridgestone

So I’m really looking forward to trying them out!

As expected! The aftermarket OZ wheel air valve is the heaviest component.
When replacing tires on OEM wheels,
“identify the heaviest point on the wheel itself” and align the tire’s light spot there to theoretically cancel them out.
*This method relies on trusting the tire’s light spot marking.

A fresh rim guard on the tire changer makes the swap go smoothly (*´ω`*)
If you skimp on it, it just slips and slips and barely makes progress.

I thought we had some rear brake discs in stock?

I could have sworn there were 2 or 3 left…
But I can’t find them no matter how hard I look.

After searching for about 2 hours, I finally gave up and figured “we must have used them.”
I’d cry if I found them after placing an order, so I’ll wrap up for the morning and try again tomorrow.

The rear brake gets a lot of use—it’s pretty scorched.
The mounting bolts got so hot the threadlocker completely burned off.

Wet blasting the caliper support

With the mindset of Italian craftsmanship, I finished it up cleanly and smoothly.

For now, we’ve assembled everything and are waiting for the brake disc to arrive.
To be continued.

Rear Suspension Refresh for SUZUKI INAZUMA 1200 (GSX1200). Work Performed:
  1. Tire Replacement: Installed the latest Bridgestone BATTLAX T33 sport touring tire.
  2. Brake Disc: Replaced the worn rear brake disc with a SUNSTAR custom rotor. Result: The combination of the new tire and brake disc has significantly improved both handling and braking feel. A perfect refresh for long-distance touring.

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