Racetech RT9129WHR Advanced Carbon/Kevlar Wide Race Seat
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Details
Details
The Racetech RT9129WHR is the wide version of the 129 "Advanced" series, built from carbon/kevlar composite to deliver both light weight and FIA 8862-2009 homologation.
As part of Racetech's 129 line, this model combines full containment geometry, integrated head restraint wings, back-mount capability, and driver cooling features.
Specifications
| FIA Homologation | FIA 8862-2009 (Advanced Racing Seat) |
|---|---|
| Shell Construction | Carbon / Kevlar composite |
| Shell Weight | Approximately 9.0 kg (≈ 10.5 kg total with pads) for WHR size |
| Seat Cover / Upholstery | Black fire-retardant fabric with suede wear patches |
| Side Mount Hole Centres | 295 mm standard spacing |
| Back Mount Centres (shoulder level) | 250 mm (required for homologation) |
| Recommended Bolt Torque | 30 Nm / 22 ft-lb (zinc or high-strength hardware) |
| Sizes / Variants | HRW (Standard), WHR (Wide), THR (Tall), WTHRL (Wide & Tall) |
| Head Restraint | Integrated head wings (~270° wrap), HANS compatible design |
| Harness Compatibility | Supports 4-, 5-, or 6-point harness systems |
| Air Ducting / Cooling | Built-in duct to driver's lower back for ventilation |
Key Features
- Wide shell geometry for greater lateral comfort and fit
- Lightweight carbon/kevlar construction, yet strong enough for FIA 8862 standards
- Integrated head restraint wings provide lateral head containment
- Full back-mount capability to connect to roll cage for load distribution
- Driver cooling duct integrated to reduce heat discomfort in prolonged use
- Large harness guides to accommodate wide belt systems without interference
- Threaded bosses to mount safety nets or side nets at shoulder/head zones
Mounting & Installation
Recommended mounting & installation guidelines:
- Install seat using certified side-mount brackets that match 295 mm spacing (e.g. Racetech RTB1009M)
- Back-mounting to roll cage at 250 mm shoulder spacing is mandatory for homologation compliance
- Use high-strength hardware; torque fasteners to ~ 30 Nm / 22 ft-lb
- Ensure harness belts route cleanly through slot openings without chafing on shell edges or hardware
- Verify clearance between head restraint wings and roll cage, trim, wiring before final torque
- After track sessions or break-in runs, re-check torque of all mounting hardware
Safety & Compliance
The RT9129WHR is part of Racetech's 129 series with **FIA 8862-2009 Advanced** certification.
Because of the head restraint wings, proper back-mounting at shoulder level is required to maintain homologation validity. Incorrect mounting may void certification.
Always check your race series or sanctioning body's rules to confirm this seat variant, mounting method, and harness setup are permitted before competition use.