What is a 4-point wheelchair tie-down system?

A 4-point tie-down uses four retractors or straps — two at the front and two at the rear of the wheelchair — to secure the chair to the vehicle floor. When combined with a lap and shoulder belt for the occupant, it meets federal ADA and WC18 securement standards for paratransit, NEMT, and school bus transport.

Is wheelchair securement required by law?

Yes. The Americans with Disabilities Act (ADA) requires that all public transit vehicles equipped to transport wheelchair users must have an approved securement system. NEMT providers, paratransit operators, and school bus fleets are all subject to federal and state securement regulations. Failure to comply can result in fines and significant liability in the event of an accident.

What does WC18 compliant mean?

WC18 is the RESNA/ANSI standard that defines performance requirements for wheelchair tie-down and occupant restraint systems (WTORS). WC18-compliant products have been crash-tested to withstand higher load forces than previous standards, providing greater protection for wheelchair users in the event of a collision or sudden stop.

Which wheelchair securement brands do you carry?

We are an authorized dealer for Q'Straint, AMF Bruns, and Sure-Lok — the three leading manufacturers of wheelchair tie-down and occupant restraint systems worldwide. All products meet or exceed WC18 compliance standards where applicable.

What is the difference between an L-track and a Slide N' Click system?

L-track is a recessed floor channel that accepts fittings at any point along its length, giving installers maximum flexibility in retractor placement. Slide N' Click is Q'Straint's proprietary system using pre-set anchor points that allow faster, tool-free securement — popular in high-volume paratransit operations where speed of securement matters.

What is the difference between a manual and retractable wheelchair strap?

Manual straps are fixed-length webbing straps with a hook or loop connection — simple, affordable, and reliable. Retractable systems use a spring-loaded mechanism to automatically take up slack, making securement faster and reducing trip hazards from loose webbing. Electric retractors add powered retraction, ideal for operators or drivers with limited hand strength or mobility.

Do you offer fleet pricing for multiple vehicles?

Yes. We offer fleet pricing for operators outfitting five or more vehicles. Submit your vehicle count, vehicle type, and preferred brand through our Fleet Quote form and a specialist will respond within one business day.

Do your products come with installation instructions?

Yes. All products ship with manufacturer installation guides. We also maintain a full library of installation and user guides on our website for Q'Straint, AMF Bruns, and Sure-Lok products. Our specialists are also available by phone at 800.884.6456 if you need installation support at no charge.

FREE STANDARD SHIPPING ON ORDERS OVER $100 - 800.884.6456

INQLINE Installation Kit | QS12054

Vendor: Q'Straint
Regular price: $575.00
Sale price: $575.00
Unit price: per

Shipping calculated at checkout.

INQLINE® SYSTEM ACCESSORY | Compatible with INQLINE Assist & INQLINE Securement qstraint.com/inqline ↗

Required For These INQLINE Systems:

INQLINE Assist — Wall Mount (Q-84027)

INQLINE Assist — Floor Mount (Q-84035)

INQLINE Securement + Install Kits (Q-84041/Q-84042/Q-84043)

SKU: QS12054 | VENDOR: Q'STRAINT

INQLINE® Installation Kit
Mounting Hardware for INQLINE Assist & Securement Systems | QS12054

✔ Free Shipping 🔧 INQLINE Assist Compatible 🔒 INQLINE Securement Compatible 📋 OEM Q'Straint Hardware

The QS12054 supplies all OEM mounting brackets, fasteners, and hardware required to complete a professional INQLINE system installation. Sold separately for replacement, upgrade, or second-vehicle installs.

📋 When Do You Need QS12054?

Installing an INQLINE Assist system (Q-84027 or Q-84035) — wall or floor mount unit requires mounting hardware not included in the base kit.

Completing an INQLINE Securement install — Q-84041, Q-84042, or Q-84043 include this kit; Q-84030, Q-84039, and Q-84040 do not.

Installing on a second vehicle — ordered your INQLINE system without install hardware and are now adding a second vehicle to your fleet.

Replacing damaged hardware — need OEM replacement brackets or fasteners to maintain a compliant INQLINE installation.

Where QS12054 Fits in the INQLINE Securement System

TIER 1

Base System

Q-84030

No Install Hardware

›

TIER 2

+ Retractors

Q-84039 / Q-84040

No Install Hardware

›

QS12054 HERE

TIER 3

+ Install Hardware

Q-84041

Includes QS12054

›

TIER 4

Complete System

Q-84042 / Q-84043

Includes QS12054

📌 QS12054 is included in Q-84041, Q-84042, and Q-84043. If you already ordered those kits, you do not need to add QS12054.

What's Included — QS12054

Component	Notes
Mounting Brackets	OEM Q'Straint brackets for secure, compliant INQLINE system mounting
Fasteners & Hardware Pack	All bolts, nuts, washers, and installation fasteners needed for a complete mount
Installation Guide Reference	See INQLINE Securement Installation Manual (QC17027) or INQLINE Assist Installation Manual (QC17041) for system-specific mounting procedures

⚠ Professional Installation Required: INQLINE system installation must be performed by a qualified technician. Improper mounting can result in system failure. Always follow the Q'Straint INQLINE installation manual for your specific system.

System Compatibility — Does Your Order Include QS12054?

System / SKU	Includes QS12054?	Action
INQLINE Assist Wall Mount — Q-84027	NOT INCLUDED	Add QS12054 to your order
INQLINE Assist Floor Mount — Q-84035	NOT INCLUDED	Add QS12054 to your order
INQLINE Securement Base — Q-84030	NOT INCLUDED	Add QS12054 to your order
INQLINE Securement + Retractors — Q-84039 / Q-84040	NOT INCLUDED	Add QS12054 to your order
INQLINE Securement + Install — Q-84041	✓ INCLUDED	No action needed
INQLINE Securement Complete + QRT Deluxe — Q-84042	✓ INCLUDED	No action needed
INQLINE Securement Complete + QRT-360 — Q-84043	✓ INCLUDED	No action needed

Why Order the Installation Kit Separately?

🚐

Second Vehicle Installation

Already have an INQLINE system running on one vehicle? QS12054 lets you install on a second vehicle without repurchasing the full system.

🔧

Installer Inventory

For shops and dealers that keep INQLINE systems in stock, maintaining QS12054 separately ensures hardware is always available for the next install job.

🔄

Replacement Hardware

If original mounting hardware was damaged or is missing, QS12054 provides genuine Q'Straint OEM replacement parts to restore a compliant, safe installation.

📦

Completing a Base or +Retractors Kit

Ordered Q-84030, Q-84039, or Q-84040 and ready to complete the install? QS12054 provides the remaining mounting hardware needed to mount your system.

🛡 Warranty: 2-year limited (registration at qstraint.com required). Without registration, 1-year limited applies. Warranty applies to the complete INQLINE system; individual hardware kit subject to same terms.

⚠ California Prop 65 Warning: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. See qstraint.com/prop-65

📄 INQLINE Product Documents:
INQLINE Securement Installation Manual (QC17027)
INQLINE Securement Use & Care Manual (QC17014)
INQLINE Assist Installation Manual (QC17041)
INQLINE Assist Use & Care Manual (QC17039)
INQLINE Assist Data Sheet

Specifications

Specification	Detail
Brand	Q'Straint
SKU	QS12054
Product Type	Installation Hardware Kit
Compatible Systems	INQLINE Assist (Q-84027, Q-84035) & INQLINE Securement (Q-84030 series)
Hardware Type	OEM Q'Straint mounting brackets, fasteners, hardware
Warranty	2-year limited (registration required); 1-year without
Installation	Professional installation required

Frequently Asked Questions

Do I need QS12054 if I already ordered Q-84041, Q-84042, or Q-84043? +

No. Q-84041, Q-84042, and Q-84043 all include installation hardware in the kit. QS12054 is needed separately only if you ordered Q-84030, Q-84039, Q-84040, or either INQLINE Assist model (Q-84027 or Q-84035).

Is QS12054 compatible with both INQLINE Assist and INQLINE Securement? +

Yes. QS12054 provides the installation hardware for both INQLINE product lines. Confirm your specific INQLINE model with your installer to ensure the correct mounting procedure is followed for your vehicle type.

Can I install QS12054 myself? +

Q'Straint requires professional installation for all INQLINE systems. This ensures the system is mounted correctly and remains compliant with the crash-test certifications and safety standards the product carries. Improper installation voids the warranty and may compromise occupant safety.

How do I find an authorized INQLINE installer? +

Contact us at 800.884.6456 or info@wheelchairstrap.com — we work with authorized Q'Straint dealers and can help connect you with a qualified installer in your area. You can also visit qstraint.com to locate a certified dealer.