Schroth Hybrid II-H (Hans Compatible)


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The Hybrid belts are a breakthrough in Harness design, blending a formula style harness with something much more effective that gives excellent restraint in an extremely comfortable package.

The perfect blend of safety and comfort, the Hybrid II HANS offers the best of all worlds. It offers a 2″ lap belt, Hybrid style sub straps, and HANS Specific 2″/3″ shoulders.

Typical Formula restraints (Profi II Formula/Profi III Formula) display high upper torso trajectory during a crash. To reduce this trajectory, the crotch straps have to be routed backwards and to be worn extremely tight. Some drivers complain of reduced blood flow in their legs. In addition, this configuration does not help during a rear impact to keep the buckle and the lap belt in place. In particular in typical open wheel race car seating positions the driver is not kept firmly in his seat but is likely to move up exceeding the roll over protection.

The so called “T-bar” 6 point restraints (Profi II-6/Profi III-5/Profi III-6) provide a better restraining function since the anti-sub straps can be routed downward following approximately a chest/crotch tangential. This keeps the buckle in place and provides direct load transfer from the shoulder straps into the Anti-sub strap. During a rear impact the Anti-sub strap keeps the buckle and lap belt in place and restrains the driver much better in the seat. The disadvantage of this type of harness: the T-bar should have a certain width to properly separate the Anti-sub straps but is likely to stick into the upper thighs. To increase the comfort, the buckle is often not worn as low as it should be for best lap belt positioning.

The solution: the revolutionary Schroth Hybrid restraint. The crotch straps are not routed through D-rings or attached to a T-bar, but are held directly by the specially developed lap belt latches. Thanks to the patented Schroth RFR rotary buckle the load transfer from the shoulder belts through the buckle into the anti-sub straps and vice versa in case of a rear impact is achieved. This direct load flow is important for optimal restraining function.

So the main thing that sets the Hybrid belts apart from the rest is the direct load transfer from the sub straps to the cam lock in an extremely comfortable way. It performs better while making you more comfortable. This is definitely a good thing.

The perfect blend of safety and comfort, the Hybrid II offers the best of all worlds. It offers a 2″ lap belt, Hybrid style sub straps, and 3″ shoulders. If you’re looking for a HANS specific version, look below for the Hybrid II HANS.

The main premise behind the 2″ lap belt is one of added safety. A 2″ belt rides within the crest of the human pelvis where a 3″ belt would rest on the edges. This allows you to get the belt up to an inch and a half tighter. That means the lap belt will be working earlier in the accident event because it gets loaded faster. It’s also more comfortable.

In the Hybrid belts, the 2″ lap belt is configured as a Pull-Up, giving you the best leverage to tighten the belts. And because there is less friction in a 2″ belt, it’s easier to adjust in the first place.

The Hybrid style sub strap setup is a new technological breakthrough from Schroth. Each sub strap has a loop sewn in the end which wraps around the hardware for the lap belts. The lap belts then click into the cam lock and provide for a more efficient and comfortable transfer of energy to the cam lock.

The HANS specific shoulder belts are designed to make HANS use safer and more comfortable. The belts start as 3″ webbing at the cam lock, then after the length adjuster they are 2″ webbing which fits completely on the HANS yoke. This gives you the optimal force distribution, entirely on the surface of the HANS. A standard 3″ belt will work, however some of the load is not distributed on the HANS. This also can be a comfort issue with some of the webbing falling off the HANS.

Another important feature of the HANS specific shoulder belts is the ability to move the anchor points towards each other to acheive the perfect installation geometry. This will help in the Post-Impact phase – very important in a roll-over situation as well.

  • Available in Black, Blue, Red
  • FIA tags standard


  • Cam fixed at right hand shoulder strap
  • Shoulder: LV10 Wrap
  • Lap: B14 with LV4 Wrap (21093A is open ended)
  • Subs: B14 with LV4 Wrap (21093A is open ended)
  • 4 SG23 Eye Bolts
  • 8 S3 Wavy Washers
  • 2 SG39 7/16″ Reinforcement Plates
  • Note: 21093A Has no extra Hardware (OPTION BLACK WITH NO ADJUSTERS) Contact us for no adjuster option


Schroth Competition Instructions

SCCA Rule Change 2 Inch Lap Belt

Schroth Hardware Guide

Schroth Installation Checklist

Schroth Hybrid Operation Instructions


Additional information

Weight 4 lbs
Dimensions 13 × 6 × 6 in

Black, Blue, Red


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