harley transmisssion

JIMS six-speed transmission upgrade, part one

Giving our old `97 Harley Dyna the 6-speed treatment.
Upgrading Harley’s 39mm Front End

Final installment: No More Forking Around

The last leg of our 39mm fork upgrade journey.
Upgrading Harley’s 39mm Front End

Even More Forking Around

How to get the most out of your 39mm front end.
Upgrading Harley’s 39mm Front End

Even More Forking Around

The next chapter in our 39mm fork build.
Upgrading Harley’s 39mm Front End

More Forking Around

The second part of our front end upgrade.
Upgrading Harley’s 39mm Front End

Forking Around

Building a stiffer front end.

See hot Hot Bike's "Best Powerplant" of 2015 gets put together

See hot Hot Bike's "Best Powerplant" of 2015 gets put together…

Stop sagging suspension

Squeezing extra comfort and control out of your 39 mm front end.

Raw Power

JIMS 131-inch Twin Cam design fit for your old Evo-style frame.

Even More Power!

Bumping up a 120R crate motor to a 124R.

Pages