i sent an email to trail tech asking them about a tach and this is there responce they sent me
Hello,
We are working on two projects: a tach and a new computer. They will be
separate items.
Both will likely have a somewhat larger profile than the current Endurance
computer. However, we will do everything possible to make the new parts
compatible with the current dashboards. If you look closely at our
dashboards, you will see that the protector for the computer is attached
with four small screws. Most likely we will design our new parts so that
they will attach in the same way.
The only thing that may be a bummer is figuring out how to run the tach and
the computer at the same time. Since the tach will have a speedometer
feature on it, some riders will probably only want the tach. However, it
won't have the distance features.
Let me know if you have further questions about the products. Although we
have no problems answering direct questions about the new products, they are
still in the development phase, and are subject to change. There are also
proprietary issues to consider, so we haven't wanted to blow any horns at
this point.
Best Regards,
Kelly
TrailTech Inc.
23712 NE Canyon Loop
Battle Ground, WA 98604
TEL (360)-687-4530
FAX (360) 687-8164