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Summary of Contents for GRIT GRITJunior
- Page 1 GRIT Junior Assembly Guide & User Manual GRIT Freedom Chair Support | 617-356-8106 | support@gogrit.us...
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Page 2: Table Of Contents
Safety Information........3 How to Contact GRIT... - Page 3 GRIT Junior Techniques........39...
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Page 5: How To Contact Grit
The GRIT team will never be very far away. If you have questions, need assistance, want to brag to us about a recent GRIT Junior adventure, or are looking for some information about an accessory... -
Page 6: Intended Operator
Active Hands gloves to pull the levers back for braking and turning. • It is your responsibility to determine if the GRIT Junior is right for you. If you are unsure, consult with your physical therapist or medical advisors prior to riding the GRIT Junior. -
Page 8: Unboxing
2.1. Unboxing Your GRIT Junior was hand-packed by our team in Massachusetts. It will arrive in multiple boxes. Along with any accessories discussed with GRIT, your box contains these parts: 1. GRIT Junior Frame & Seatpan 6. Rear Wheels 2. Seatback 7. -
Page 9: Unpacking The Box
Save the box! The original packaging is used for returns under the GRIT Guarantee. We hope you love your GRIT Junior, keep it, and end up recycling the box, but it’s helpful to save the box during the rst 30-day period. -
Page 10: Attaching The Fork
Video instructions are available online at https://www.gogrit.us/freedom-chair-support#forkinstall To attach the fork, you will need the 5mm Allen key provided with your GRIT Junior. Call us at (617) 356-8106 or email us at support@gogrit.us with any questions about the following steps. Written-out instructions immediately below, but refer to the following two pages for photos that will help! 1. - Page 11 Note: Components of the fork assembly, shown individually for identification purpose.
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Page 14: Inserting The Axles
3.1. Inserting the Axles All GRIT Junior wheels ship without the rear-wheel axles inserted. Inserting the axles through the wheels is easy, and only needs to be done when you’re setting up your chair. Our wheels come with black caps, which ensure proper spacing. Look at the below images for reference. -
Page 15: Attaching The Rear Wheels
3.2. Attaching the Rear Wheels Once the axles are inserted through the rear wheels, attach the rear wheels! Follow the process below. Note: The side of the wheel with the wide, silver ring (coupling) connects to the chair. a) Press the quick-release button on the axle inward. b) Align the axles with the axle receiver. - Page 16 ALWAYS ENSURE THE AXLE BUTTON IS POPPED OUT AND THE COUPLING REACHES THE FREEWHEEL. Riding the GRIT Junior without the wheels fully attached could cause a wheel to fall o the chair, causing a crash and fall and may result in serious injury or death.
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Page 17: Attaching The Seatback
CAUTION: Make sure the seatback is fully inserted and the clamps are securely fastened. Riding the GRIT Junior without fully inserting and locking the seatback could cause damage to the seat, and may cause risk of injury. a) Slide the seatback into the receiving sockets on b) Push the seatback down on both sides to lower it the back of the seat. -
Page 18: Adjusting The Seatback
If this is a continuing issue, please contact GRIT at support@gogrit.us and we will assist. If your seatback doesn’t insert or align with the receiving sockets: Check for damage to the top of the seatpan, the canes, and the receiving sockets themselves. Call GRIT at 617-356-8106 or email support@gogrit.us... -
Page 19: Attaching The Footrest
3.5. Attaching the Footrest The footrest attaches to the GRIT Junior using the same clamp used on bicycle seats. The footrest tube is inserted into the chair and then the clamp lever is used to lock the tube in place. The tightness of the clamp can be adjusted with the adjustment nut opposite the clamp lever. -
Page 20: Fit And Seating
3.6. Fit and Seating • Seatbelt The GRIT Junior ships with a seatbelt included and attached to the seatpan. It may be tucked beneath the seat cushion. We recommend riding with a seatbelt. • Foot Straps The footrest plate has slots to add your own foot straps. -
Page 21: Attaching The Trail Handles
Junior cushion is right for you. Always wear closed-toed shoes when riding the GRIT Junior. 3.7. Attaching the Trail Handles The GRIT Junior comes with Trail Handles, or push bars for the rear of the chair. Follow these steps to securely attach them to your young rider’s chair. - Page 22 c) Slide the Trail Handle clamp over the seatback cane. d) Tighten the outward-facing bolt on the Trail Handle NOTE: For the lowest-pro le setup, the grips of the clamp. Trail Handles should face outward (away from each other). e) Tighten the inward-facing bolt on the Trail Handle f) Repeat steps b-e for the other handle.
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Page 24: Removing The Rear Wheels
4.1. Removing the Rear Wheels The rear wheels of the GRIT Junior can be easily removed with their quick-release push-button axles. a) Grab the wheel near the hub and push the axle button inward. b) Pull the wheel straight away from the chair while keeping the axle button... -
Page 25: Removing The Seatback
4.2. Removing the Seatback To remove the seatback, push in both buttons while lifting upward on the seatback. Be sure to pull both sides of the seatback at the same timeto prevent the seatback from getting stuck. a) Loosen the bike clamps on both sides of the seatback b) Pull upward on both sides of the seatback until it is released. -
Page 26: Transporting The Grit Junior
4.3. Transporting the GRIT Junior The GRIT Junior is designed to be disassembled and transported by car. Our riders have packed their GRIT Juniors into compact sedans, pickup trucks, minivans, SUVs, and almost everything in between! Some pointers to ensure your GRIT Junior arrives at the trailhead in peak riding condition: •... -
Page 28: Riding
You can store the levers in the storage slots located at the rear sides of the seatpan. 5.2. Pre-Ride Safety Checks It is extremely important to inspect your GRIT Junior before each ride to make sure it is in trail-ready condition: 1. -
Page 29: Safety When Riding
We encourage you to exercise your best judgment to determine whether a speci c activity in the GRIT Junior is safe for you. Every rider is di erent; do not attempt an unsafe activity that you have seen other riders perform in the GRIT Junior. Here are some useful tips for safe GRIT Junior riding: •... - Page 30 Night Riding Visibility is especially important when riding at night. The GRIT Junior has a loop on the rear of the back pad for mounting a rear bike light. We also recommend using re ective decals, high-visibility clothing, and a re ective ag when night riding.
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Page 32: Inserting & Removing The Levers
The lever drivetrain provides great outdoor performance but may limit your maneuverability indoors. We designed the levers to be easy to insert and remove. The levers are interchangeable and store on the GRIT Junior when not in use. Inserting the Levers •... - Page 33 a) Coupling forward: The ideal position for inserting levers. b) Insert the lever into the coupling hole until the pin reaches the bottom of the slot. d) Make sure the brake is over the wheel and that it c) Rotate the lever in the coupling (as shown above). doesn’t rotate when the lever is pulled back.
- Page 34 Removing the Levers To remove the levers, push them slightly forward and then rotate them in your hands so the brakes move toward the center of the chair. Then pull them out of the couplings. Store the levers on the side of the chair. a) Push the lever away from the wheel.
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Page 35: Propulsion
6.2. Propulsion Push the levers forward to propel the GRIT Junior. Pull the levers backward to brake. Note: Push the levers forward together or alternate lever strokes. Many riders prefer to push the levers at the same time on smooth ground and to alternate the levers on hills and rough terrain. -
Page 36: Maximizing Your Speed And Leverage
Pull the levers back to reset, then push forward again for a second stroke. 6.3. Maximizing Your Speed and Leverage The GRIT Junior drivetrain is designed to allow riders to vary their mechanical advantage based on where they grab the lever. Grabbing the top of the lever provides more torque for climbing hills and rough terrain (think of this as “low gear”). - Page 37 a) Grabbing the top of the levers is like b) Grabbing the bottom of the levers is like low gear and is good for hills and tough high gear and is good for smooth ground. terrains. Use many small, alternating lever Push through long strokes to move quickly.
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Page 38: Adjusting Your Levers
6.4. Adjusting Your Levers The GRIT Junior comes with adjustable levers! Six brake-bar slots on each lever makes it easy for the chair to grow up with the rider and allows young riders of all shapes and sizes to enjoy the chair. -
Page 40: Braking
7.1. Braking Pull backward on the levers to apply the brakes. The brakes work when the brake bar on the lever comes into contact with the tire. For added braking force, have the rider pull backward from the top of the levers. This provides more leverage and much better brake performance. - Page 41 Note: The brakes engage by coming into contact with the tire. Note: Holding the tops of the levers provides more braking force, which is especially useful when the wheels are wet.
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Page 42: Turning
7.2. Turning Turning the GRIT Junior is similar to turning a rowboat or skid-steer. To turn, have your young rider apply the brake on the wheel closest to the direction they want to turn and then push on the other lever. Example: To turn right, have them apply the right brake and push on the left lever. -
Page 43: Reversing
Then, re-insert that lever to propel forward again. When the levers are removed, your young rider can put their hands on the wheels and use the GRIT Junior just as they would a regular wheelchair. -
Page 44: Transferring
Note: Be sure to release the parking brakes before using the lever drivetrain! 7.5. Transferring There are many methods of transferring in and out of the GRIT Junior. Use whatever technique works for you. Our riders have recommended the following tips: •... -
Page 46: Climbing Hills
STEEP HILLS AND WITH HARD PUSH STROKES. Be careful to monitor the front wheel when climbing hills. If the front wheel lifts o of the ground, the GRIT Junior is beginning to tip. Always ride with a helmet and with a spotter behind the chair. -
Page 47: Curbs
8.3. Curbs It is possible to ride the GRIT Junior down curbs, as long as the chair is ridden straight o the curb and not at an angle. Here are some tips: •... -
Page 49: Caring For Your Grit Junior
Caring for your GRIT Junior is just like caring for a bicycle. Here are some tips: Always: Keep your GRIT Junior out of the rain when not in use. The frame is zinc-plated and covered with a high-quality powder-coat, but excessive exposure to rain and moisture will decrease the life of the frame. - Page 50 Carry water/snacks in a small bag on you with your other tools. Some bike bags and water-bottle cages work well, too. Note: The above tools can fit in a backpack or small trail bag attached to the boom of the GRIT Junior. Having a full-sized bike pump at home will make inflating tires easiest.
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Page 52: In Ating The Wheels
10.4. Changing the Gear Ratio The GRIT Junior gear ratio can be adjusted in two ways: by changing the chainring size, or by changing the freewheel. We recommend changing the chainring size since it’s a simpler process, but both can be easily done at a bicycle shop. -
Page 54: Design & Support
Every GRIT Junior is hand-assembled and certi ed by our engineering and design team in Massachusetts. We’ve tested the GRIT Junior extensively in the lab, in the eld, and with the help of wheelchair riders around the world. This being said, unexpected things happen, and we want to be there for you when they do.
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