Parts / Product Profiles

Parts Bin: Just-N-Time Trans Brake Button Offers Maximum Adjustibility

Collector Tethers’ Just-N-Time Button™ is a trans brake button relatively new to market that provides drivers with maximum adjustibility.

The button is NHRA-accepted. Collector Tethers has labeled it a “hybrid.” Collector Tethers tested the Just-N-Time trans brake button on an electronic test bench and comes with a spreadsheet that provides users with more than 100 release speeds accurate to plus- or minus- .002.

According to the Collector Tethers website, “the Just-N-Time Button uses a combination of six color-coded springs, multiple mounting positions, and a section of spacers allowing for a broad range of adjustment. The switch itself has an adjustability range of approximately .080 in reaction time within itself and provides over .100 in slower reaction time over the fastest buttons on the market.”

Michael Beard, a three-time IHRA world champion, and Bracket Finals champ in both NHRA and IHRA is impressed with the button despite being a foot braker.

“I’d heard there was a tenth in these buttons, and I didn’t buy it,” he said in a post on “That couldn’t be physically possible with just a mechanical setup limited to 3” depth… or so I thought.”

Beard, who owns Staging Light Graphics, described a trailer with three different buttons with different springs and spring locations.

“I hit one, hit the second, and then when I let go of the third one, I about jumped. It was visibly, shockingly slow. They’ve got just the right combination of spring weights, spring locations, balanced with the weight of the button—still simple, yet impressive engineering.

“This is one of those things that you really just need to see for yourself.”

If you’re in the market for a new trans brake button, you should give it a look.

You can see the Just-N-Time Button in action here:

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