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TRS / Shoulder straps

Wrap-around mounting starts with the exact belt and bar

Some TRS shoulder straps are designed to wrap around a suitable cage or harness bar. That does not approve every tube, angle or wrapping method.

Belt instructionsExact model
BarSuitable and approved
RouteStraight and clear
WrapMaker method
The short version

Identify the belt, cage or harness bar, seat and driver position. Use TRS and cage-maker instructions for strap angle, bar suitability and wrapping. Do not copy a photograph from another car.

Shoulder strap typeHarness barSeat openingsDriver positionWebbing condition
Never wrap around an unknown tube

A rear brace, removable cross-bar or decorative tube may not be intended as a belt anchorage. Confirm the bar with the cage manufacturer.

01 / Compatibility

Check belt and cage documents first

Read the exact TRS belt instructions to confirm wrap-around shoulder attachments are permitted. Then identify the cage code and the tube intended as a harness bar. Both documents need to agree with the installation.

02 / Geometry

Strap route follows the seated shoulders

Install the seat and driver before settling the shoulder route. The straps should pass cleanly through the seat openings without folding on their edges, crossing each other or contacting sharp hardware. Use the permitted geometry in the current belt instructions.

03 / Installation

Use the specified wrapping sequence

Follow the TRS diagrams for the adjuster and tail. Keep left and right routes symmetrical and make sure the webbing lies flat. Do not knot the strap, add an unlisted clamp or improvise a shared loop.

A competent installer should inspect the finished wrap.

04 / Ongoing check

Webbing tells you when something is wrong

Before use, check the label, webbing, adjusters, bar and all contact points. Look for fraying, glazing, cuts, contamination or movement. After changing the seat position, repeat the geometry and length checks.

05 / Questions

Wrap-around mounting questions

Can shoulder straps wrap around any roll-cage tube?

No. Confirm that the exact cage tube is intended and suitable as a restraint anchorage.

Can both shoulder straps share one bar?

Often where the cage and belt installation is designed that way, but each strap still needs its own correct route and wrap.

Should the straps cross behind the seat?

Use the current TRS instructions for that belt and installation. Do not copy another car.

Can I use a bolt-in end around a bar?

Only if the product instructions provide an approved conversion or attachment. Do not remove or replace sewn hardware yourself.

Send the belt and cage codes

We will check the intended bar

Add seat and driver-position photographs. That is enough to identify most routing questions before the car reaches an installer.

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