Manual Wheelchairs / RGK / Sports Wheelchairs / RGK GrandSlam Series

GrandSlam Series Sports Wheelchair

The world famous tennis wheelchair

The world famous tennis wheelchair

The most advanced tennis wheelchairs available, the RGK GrandSlam Series chairs are like fluid motion, a true sight to behold. Designed entirely around your measurements and your style of play, the GrandSlam gives you the ultimate responsive connection, ergonomic positioning, and speed that your best performance requires. It's the sports chair of choice for Alfie Hewett, Gordon Reid, and Jordanne Whiley to name just a few. Why would you choose anything less?

With the GrandSlam X's perfection of performance and responsiveness, nothing will get between you and a win. At its core, this transcendent tennis wheelchair has a unique, pioneering carbon fiber axle, making it significantly stiffer and lighter.

The GrandSlam CX features a carbon fiber seat that blends your body and your chair to become one entity. This fusion allows for a super responsive connection that is unparalleled. Bonded together, the wheelchair and player have maximized efficiency and optimized performance; control of the chair becomes pure instinct over direct propulsion.

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From $4873

This price is based on standard configuration only. This item may have multiple additional extras that are not included in the published price. Please see your local authorized dealer for a detailed quote.

Please call 1-800-333-4000 to order this product Options and Prices
RGK GrandSlam Series Tennis Wheelchair

GrandSlam Series Comparison

The RGK GrandSlam wheelchair tennis chair is available in three different versions, each with their own strengths: the GrandSlam, the GrandSlam X, and the GrandSlam CX.

GrandSlam GrandSlam X GrandSlam CX
Experience Level Intermediate to Professional Intermediate to Professional Experienced or Professional
Player Classification Suitability 1 to 4.5 players 1 to 4.5 players 2 to 4.5 players
Product Weight 18.7 lbs. 17.4 lbs. 18.5 lbs.
Maximum User Weight 275 lbs. 275 lbs. 275 lbs.
Made to Measure
7020 Aluminum Tri-Frame -
Carbon Fiber Axle -
Carbon Fiber Seating System - -
Airtech Sport Technology -
Learn More Learn More Learn More

Take it from the best

Read what some of the top wheelchair tennis players have to say about the RGK GrandSlam.

Alfie Hewett

"Having the top chair has definitely helped my game."
– Alfie Hewett

Gordon Reid

"The RGK GrandSlam is a must-have for my tennis career. Its sharpness of turn and the lightness of the wheelchair allows me to be incredibly agile around the court. The tailor-made cushion keeps me perfectly positioned, comfortable, plus the chair has that unmistakable sleek RGK look."
– Gordon Reid

Take it from the best

Performance on the court

Unparalleled in the world of wheelchair tennis, the RGK GrandSlam's lightweight frame and knee support system means you can react quickly to any solid return and guarantees to deliver the performance your training has paved the way for. The low backrest allows for a better serve and the made-to-measure seat creates a closer connection, allowing you to turn the chair with just your core muscles. This allows you to focus on the court rather than self-propulsion.

  • Optimized carbon fiber knee support system with ratchet adjustment for maximum support and agility
  • Seating position to suit your game
  • Perfect toe-in/out for minimum drag
  • Bones Reds high precision caster bearings as standard to maximize energy
  • Low friction casters with less dirt pickup
  • GrandSlam X Key Features
    • Carbon fiber axle
    • Carbon fiber sideguards with made-to-measure CNC sidearms (upgrade option)
    • Tri-Frame chassis design
    • Ceramic bearings in rear wheels, casters, and frame (upgrade option)
    • Titanium fasteners throughout
    • Titanium buckles
    • Minute design changes for maximum weight saving benefits
  • GrandSlam CX Key Features
    • Carbon fiber seating technology for improved agility and responsiveness
    • Carbon fiber axle
    • Tri-Frame chassis design
    • Low friction caster wheel with less dirt pick up

Carbon Fiber Sideguards

  • Carbon fiber sideguards are exclusive to the GrandSlam X
  • Up to 3.5 ounces total weight savings switching from aluminum to carbon fiber sideguards.
  • Specialized CNC sidearms, made to measure each and every time, allowing for any shape to be created. These provide a beautiful edge that is nearly impossible to get when working with carbon fiber.

Carbon Fiber Axle

  • Exclusive to the GrandSlam X and GrandSlam CX, the carbon fiber axle provides a huge weight savings by switching material from aluminum to carbon fiber
  • Enhances the stiffness and rigidity of your chair with carbon fiber (8 times stronger than aluminum)
  • Carbon fiber axle is clamped to the frame, not welded in position. This provides post-build fine tuning of the toe in/toe out – get your chair rolling absolutely perfectly


The Tri-Frame is a new design that better distributes the energy expended during play across more sections of the chair. This provides peace of mind that your chair can withstand anything that's thrown at it. Instead of just the axle, forces are now split across the downtube, the strongest part of the frame, as well.

  • Tri-Frame design is exclusive to the GrandSlam X and GrandSlam CX
  • Aerospace-grade 7020 aluminum frame with A10 heat treatment as standard
  • Triangular frame chassis design (Tri-Frame) that takes the main stress off of the axle with the strongest shape possible
  • Reinforced "impact areas" to prevent game and travel damage, such as backrest and anti-tip
  • Heavy duty frame design available

Frame Options

  • Fixed or adjustable footrest position
  • Single or double anti-tip
  • Fixed or removable anti-tip
  • Range of front wing designs

GrandSlam CX Carbon Fiber Seating System

The most important feature of the GrandSlam CX is the use of carbon fiber in the seat. Carbon fiber has a high tensile strength with an incredibly low weight. By creating a seat from this material, we are able to curve the design to shape completely around the contours of your body, ensuring the best connection which transfers any upper body movement directly to the chair itself. This evens out the energy distribution, making the chair more comfortable and improves responsiveness & performance.

  • Optimized biomechanics for maximum power and efficiency
  • Carbon fiber seating technology for improved agility and responsiveness
  • Seating position to suit your game
  • Perfect toe-in/out for minimum drag
  • Bones Reds high precision caster bearings as standard to maximize energy
  • Low friction caster wheel with less dirt pick up

GrandSlam CX: Superior Ergonomics

  • Unique carbon fiber backrest and seat shaped to your measurements
  • Ergonomic seat for pelvic positioning and optimum balance
  • Tapered seat design for super responsiveness
  • Seat mounts to frame with a clamp, allowing for adjustment and easy removal for transportation
  • Seat base is easily adjustable 10mm in all directions
  • Backrest features an adjustable ±5-10° pivot
  • Curved design shaped around the contours of your body ensures the maximum connection between you and your chair
  • Evening out energy distribution makes the chair more comfortable and improves responsiveness & performance
  • A better connection to your seat allows any upper body movement to transfer to the chair

Additional Features

The RGK GrandSlam Series tennis wheelchairs are packed with features and options.

  • Only the best materials are used in the GrandSlam. Aluminum is famous for its strength & durability, and is renowned for its lightness. The utmost best performance of the chair is ensured by only using components produced by market leaders, alongside a staggering 19 quality checks throughout the build, from initial measurements to final delivery.

    • Aerospace grade aluminum frame as standard
    • Rigid open frame for efficient maneuvering
    • Reinforced "impact areas" to prevent game and travel damage, such as backrest and anti-tip
    • Range of ergonomic backrest options to support your requirements for maximum comfort and balance
    • Ergonomic seat for pelvic positioning and optimum balance
    • Tapered seat, V-front, or asymmetrical frame design for super responsiveness
    • Tailor-made cushion configurations available
    • Range of ratchet and Velcro strapping to connect you securely to the frame
    • Calf and toe straps supplied as standard
    • Waist strap available for additional support
    • Pelvic-loc strapping
    • Fixed and adjustable mounting for versatility
    • Titanium buckles and fasteners throughout
    • Tension-adjustable straps for better support and positioning
    • Fixed or adjustable axle and footrest positions
    • Single or double anti-tip
    • Fixed or removable anti-tips and sideguards
    • Fixed or height-adjustable backrest
    • Breathable material to keep you cool
    • Tension-adjustable backrest and center pad, including mesh cover panels and low profile titanium buckles for better support and positioning
    • Designed with lightweight and durable kevlar-reinforced wings
    • Mesh strap-adjustable seat upholstery including low profile titanium buckles

    Airtech Sport Technology not available on GrandSlam CX

    • Choose from polished, brushed, raw, or painted frame finishes
    • Choose an accent color to suit your style
Additional Features

Interested in talking with us directly about your own made-to-measure RGK wheelchair?

Whether you'd like to arrange a demo and assessment or you just have some general questions about wheelchairs, complete this form and a dedicated RGK Genius will be in touch to help you. Your RGK Genius can talk you through the process of getting a new wheelchair and help you to decide which of our extensive range of products is most suitable for your needs.

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Seat Width:250 to 500mm (in 5mm increments)
Seat Depth:250 to 500mm (in 5mm increments)
Front Seat-to-Floor Height:480 to 630mm (in 5mm increments)
Rear Seat-to-Floor Height:360 to 630mm (in 5mm increments)
Back Height:203 to 431mm (in 5mm increments)
Back Angle Adjustment:20° of adjustment (10° forward and 10° rearward from 90°)
Frame Angle:Determined by Occupied Frame Length - most common is between 60° and 90°
Center of Gravity (COG) Adjustment:0 to 178mm
Product Information
Model Number:
  • GrandSlam: GSA
  • GrandSlam X: GXA
  • GrandSlam CX: GCA
Starting Retail Price:
  • GrandSlam: $4,873
  • GrandSlam X: $5,535
  • GrandSlam CX: $7,212
Frame Material:7020 Aluminum
User Weight Capacity:275 lbs. (125 kg)
Product Weight:
  • GrandSlam: 18.7 lbs. (8.5 kg)
  • GrandSlam X: 17.4 lbs. (7.9 kg)
  • GrandSlam CX: 18.5 lbs. (8.4 kg)

As a part of our ongoing product improvement initiative, Sunrise Medical reserves the right to change specifications and design without notice. Further, not all features and options offered are compatible with all configurations of the wheelchair. Please consult the user instruction manual for more information.


Frequently Asked Questions

Individual Measurements
Over 30 individual measurements are taken of you and the wheelchair, so that it can be designed and built to your individual requirements.

Ergonomic Options
Alongside many functional options, a wide range of ergonomic options are available to provide optimum comfort, balance, and posture.

Lightweight and Compact
The lightest possible solution is achieved using individual measurements, the highest quality materials, and rigid frame designs.

Optimum Posture
Sitting in the correct position can significantly reduce the risks of developing pressure-related issues in both the short and long term. Good health helps to promote a more active lifestyle, which in turn can positively impact your wellbeing.

Optimum Comfort
Feeling comfortable increases confidence, which helps you to achieve an active lifestyle. The likelihood of developing prolonged discomfort, pain, and persistent injuries is significantly reduced.

Maximum Performance
You and your made-to-measure wheelchair work in complete unison. This reduces the amount of energy needed to propel, and in turn increases the wheelchair's efficiency to maximize your abilities.