Surron Ultra Bee Rear Master Cylinder
Genuine OEM Surron Ultra Bee rear master cylinder for the left-hand brake lever. Fits every Ultra Bee year, plus any bike running a Surron Ultra Bee brake conversion. Hand lever, not foot brake.
Specs:
- Genuine Surron OEM part - the rear brake master cylinder Surron builds into the Ultra Bee.
- Left-hand mount - runs the rear brake from the handlebar.
- M10 x 1.25 banjo bolt thread - your stock rear line threads straight in.
- Adjustable lever position - put the lever where your left hand wants it.
- Ships dry - takes DOT 3, DOT 4, or DOT 5.1 brake fluid. Bleed after install.
Fits these models:
- Surron Ultra Bee (all years)
- Surron Light Bee (with Ultra Bee brake conversion)
- Yozma IN 10 (with Ultra Bee brake conversion)
- ETM RTR Lite, Sport, Alpha, and XL (with Ultra Bee brake conversion)
Fits any bike with a Surron Ultra Bee brake conversion. On the ETM RTR, that means our ETM RTR Ultra Bee Brake Kit or another Ultra Bee caliper swap.
Surron Ultra Bee Rear Master Cylinder FAQ
Is this the foot brake master cylinder?
No. This one mounts on the left handlebar and runs the rear brake by hand. Running a foot brake? You want the Surron Ultra Bee Foot Brake Master Cylinder.
Which Ultra Bee years does it fit?
All of them. It replaces the factory rear master on any Ultra Bee, no adapters.
Will it work on my Light Bee, Yozma, or ETM?
Yes, once the bike runs a Surron Ultra Bee brake conversion. The conversion has to be in place first.
Does it come bled and filled?
No. It ships dry. Install it, connect the rear line, fill, and bleed before riding. Our bleed kit with check valve covers the job.
Which brake fluid?
DOT 3, DOT 4, and DOT 5.1 all work. Motul DOT 5.1 is on our shelf.
What size banjo bolt?
M10 x 1.25. Titanium replacements in the same thread are in stock.
Do I need to replace the front too?
Only if it's worn or damaged. The front is the right-hand master and ships with a hand guard bracket: Surron Ultra Bee Master Cylinder Front.
Ships from USA!