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Sportstech WRX700 modification for SmartRow Waterrower
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This modification of the Sportstech WRX700 allows you to use the SmartRow wheel designed for Waterrower.
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Updated at source:
Model information
- Source
- Printables
- Category
- Indoor Sports
- License
- GNU General Public License v3.0
DISCLAIMER: This modification includes sawing a part of your Sportstech WRX700 in half. I won't take any responsibility if you screw that up. However, if I have time for it, I would help you find a solution.
BOM:
- The 2 printed parts
- 4x M3 threaded inserts
- 4x M3x10mm screws
- 2x M8 nuts
- Sportstech WRX700
- SmartRow Power Pulley


Tools needed:
- wood saw (whatever you have)
- ruler (at least 180mm long)
- allen keys (2.5 & 5mm)
- Phillips screwdriver
- wrenches (10 & 13mm)

Instructions:
- First of all, print the two parts. I chose to use PLA, but only because I had some brown filament around. I think PETG would be better. Since I wanted to be sure it's rigid enough, I went pretty overboard with perimeters and infill…

The four threaded inserts can be put in the top of the main part.
Then drop the two M8 nuts into their slots.
- Before you can install the part, you need to disassemble the rower until the point where you can saw 180mm off the front of the board where the pulley is.

Make sure to measure twice and cut once ;-)
Put the following parts aside, you'll need them later.
If you want to, you can remove the phone holder and the original display. They are both pretty useless tbh.
- After putting everything together you are ready to mount the printed parts and the power pulley.

- To start the assembly, put the two original washers back where they were.

- Then you can thread the handle through the main printed part and fit that into its place.

- Use the original mounting hardware to secure the part.


- To insert the power pulley you need to disassemble it. Use reasonable force and try to wiggle the two plastic parts if you have trouble getting them off.

- Before fully inserting the pulley into the printed part, make sure everything is oriented correctly.

Check the position of the cable as well as the orientation of the shaft and make sure the belt is in correctly.
- Slide the pulley all the way down. Do not use excessive force.

- After threading the handle through the smaller part you can screw it in place. Make sure the cable is fixed correctly.

- To finish the assembly, stick the battery holder wherever you want.

- Et voilà, enjoy having actually useful data for your workouts ;-)
