The Russell 639560 Speed Bleeder is a replacement bleeder screw with a 10mm x 1.0 thread and a built-in check valve. The check valve lets one person bleed brakes or a clutch without a helper, since it stops air from being drawn back into the system.
- Type: Speed Bleeder (bleeder screw with check valve)
- Thread: 10mm x 1.0
- Allows one-person brake/clutch bleeding
- Built-in one-way check valve
- Part number: 639560
FAQ
What thread is the 639560?
It has a 10mm x 1.0 thread.
What does a Speed Bleeder do?
Its built-in check valve lets one person bleed brakes or a clutch without a second person pumping the pedal.
Is it a direct replacement?
It replaces a standard bleeder screw with the matching 10mm x 1.0 thread. Confirm your caliper or cylinder thread before ordering.

