Steering Wheel Spinner Knobs and Driving Aids

Spinner knobs, also called steering wheel knobs, are adaptive driving aids that attach to a vehicle’s steering wheel to make one-handed steering smoother and more controlled. They’re often used alongside hand controls and can help drivers navigate turns, parking lots, and everyday roads with greater ease.

For many drivers, spinner knobs provide added stability and confidence behind the wheel — especially for those with limited hand strength, reduced grip, limb differences, or limited range of motion.

A black driving aid device attached to the black steering wheel of a Dodge vehicle

There isn’t a single style that works for everyone. Spinner knobs come in several grip designs, including ball-style knobs, tri-pin options, palm grips, V-grips, and amputee rings. The right choice depends on how you hold the wheel, how your hand and wrist move, and what feels most natural to you.

At MobilityWorks, we believe adaptive equipment should fit the person — not the other way around. Our team can help you explore options, coordinate with a Certified Driver Rehabilitation Specialist (CDRS) if needed, and ensure your equipment is professionally installed for safety and long-term reliability.

Amputee Driver Rings, Ball, Tri-Pin and V-Grip Spinner Knob Designs

Steering Adaptive Equipment

There is no "one size fits all" when it comes to driving with a physical disability and driver safety. Contact us to find a Certified Driver Rehabilitation Specialist (CDRS) near you.

A black amputee driver ring

Amputee Driver Rings

Dependable Operation & Economical Design The Sure Grip Amputee Ring steering wheel control grip is designed for drivers with a Prosthetic hook.

Spinner Knob

With Spin Master's innovative, clamshell design, one size fits all steering wheels. Spin Master adds a quick-release function - remove and refit at the touch of a button!

A black and white palm grip

Palm Grip & V Grip

The Palm Grip is fully compatible with Sure Grip clam shell mounting design, the finest in the industry. It is a great alternative to the Tri-Pin; for clients that do not require wrist support.The V-Grip is for drivers with moderate gripping strength.

A tri-pin steering aid with 3 black foam pins

Tri-Pin

Great for the independent driver with minimal gripping strength and/or reduced wrist stability.

A black single pin steering aid

Single Pin

This is a great alternative to the spinner knob; for clients that can not open their hand fully.

Choosing the Right Spinner Knob

Choosing the right spinner knob comes down to three things: how you grip the knob, how it mounts to the steering wheel, and what approvals or training may be required.

1) Grip and hand support

Different grip styles provide different levels of hand and wrist support. For example:

Ball-style knobs can be a good fit for drivers who prefer a simple, round grip.
Tri-pin and pin styles can help drivers who have reduced grip strength or need added control.
Palm or V-grips can be helpful if you need broader contact and more stability through the hand.
Amputee rings are designed for drivers using a prosthetic hook.

2) Mounting and vehicle compatibility

Mounting style matters for comfort and safety. Some designs use clamp-style mounts and may include quick-release features. The correct fit depends on the steering wheel style and the driver’s positioning. A professional install helps ensure the knob is secure, correctly placed, and aligned with other adaptive equipment.

3) Approval, licensing, and training

In many cases, drivers are expected to complete training with a Certified Driver Rehabilitation Specialist (CDRS) and may have license restrictions or documentation requirements depending on the state and equipment. If you’re not sure what applies to you, we can help point you in the right direction before you drive with adaptive equipment.

Ready to get matched with the right option? Contact MobilityWorks to speak with a Certified Mobility Consultant.