Description
Headline: Give Them the Confidence to Ride: The Ultimate Stability System for Young Riders
Precision-engineered, American-designed training wheels for Razor® SX, RSF, MX 125, 350, 400, 450, 500, 650, Rambler 12, 16, Indian eFTR jr., CRF-E2, Palby’s, Rosso, Oset 12.5r, KTM SX-E 3 Electric Motorcycles, and other compatible electric motorcycles.
Product Overview
Unlock the joy of riding for your child with the Hardline Products® Universal Trainer System. Designed specifically for the next generation of riders, this training wheel system bridges the gap between a bicycle and a motorcycle. Whether your child is stepping onto a Razor® MX350 or an Indian eFTR Jr. for the first time, our system provides the critical stability they need to master throttle control and braking before worrying about balance.
Unlike generic “one-size-fits-all” options, our trainer is built to endure the rigors of off-road learning, offering a safe, adjustable, and durable solution that grows with your rider’s skill level.
Key Features & Benefits
- Progressive Learning with “Step-Up” Adjustability Rome wasn’t built in a day, and neither is a rider’s balance. Our unique adjustable design allows you to tailor the stability to your child’s progress:
- Stage 1: Lower the wheels fully for maximum stability on uneven terrain.
- Stage 2: Incrementally raise the wheel height as confidence grows.
- Stage 3: Set the wheels to a “safety catch” height, allowing the rider to balance on their own while preventing tip-overs during stops or turns.
- Superior Center-Mount Stability We prioritize safety by mounting our system directly under the motorcycle’s existing foot pegs. This mid-mount engineered design creates a lower center of gravity compared to rear-axle mounted alternatives, offering:
- Enhanced structural integrity that won’t bend under load.
- Better cornering capabilities by allowing the bike to lean naturally without tipping.
- Impact absorption that protects the bike’s chassis and the rider.
- Heavy-Duty “Real World” Construction Forget plastic wheels and flimsy brackets. We use automotive-grade components designed to last:
- Solid Steel Axle: A 5/8″ solid steel axle ensures the system remains rigid and safe.
- All-Terrain Pneumatic Tires: 8-inch pneumatic wheels with 4-ply tires grip dirt, grass, and gravel far better than plastic wheels.
- Sealed Ball Bearings: Maintenance-free bearings that resist corrosion, dirt, and water.
- Grade 8 Hardware: We use only the strongest hardened fasteners and vibration-resistant “Nylock” nuts to ensure everything stays tight.
- Universal & Specific Compatibility While optimized for the Razor® MX350 and MX400, this versatile system fits a wide range of electric models:
- Razor® Dirt Rocket Series: MX125, MX350, MX400, MX450, MX500, MX650, SX500, RSF350/650.
- Other Electric Models: Indian eFTR Jr. and Mini, Rambler 12 & 16, Honda CRF-E2, and more.
Technical Specifications
- Axle Material: Solid Steel (Not hollow tubing)
- Wheel Type: 8-inch Pneumatic with grease fittings
- Tire Rating: 4-Ply Off-Road Tread
- Mounting Point: Mid-chassis / Foot Pegs
- Origin: Designed, Engineered, and Tested in the USA (Globally sourced parts)
- Installation: Bolt-on design (Detailed video instructions included)
What’s Included in the Box?
- (1) Solid Steel Universal Axle
- (2) 8″ Pneumatic Wheels with Sealed Bearings
- (2) Heavy-Duty Mounting Brackets & Clamps
- All necessary Grade 8 bolts, washers, and locking nuts.
- Installation Guide & QR Code for Video Walkthrough.
Why Choose Hardline Products®?
As the largest manufacturer of youth motorcycle training wheels, Hardline Products® is a name trusted by parents worldwide. We don’t just sell parts; we sell “Safe Seat Time!” Our goal is to make the learning process fun and safe, eliminating the fear of falling so your child can focus on the thrill of the ride.
Safety Note: This product is a training aid intended for skill-building on flat, open terrain. It is not designed for jumping, racing, or steep inclines. Adult supervision is required at all times.
Frequently Asked Questions
Installation & Compatibility
Q: How do I install the Training Wheels? A: Watch our installation video Here
Q: My kit is missing the Axle what do I do? A: Make sure you looked under the cardboard flap that the wheels were sitting on when you opened your package. sometimes people miss it here. If you’re still missing the axle contact us immediately so we can get you a replacement. reach out to sales@hardlineproducts.com please include a picture of your packaging and your shipping address.
Q: My package seems to be missing parts? A: Do not use Training Wheels if any part is Missing, Bent or Broken. Email us at sales@hardlineproducts.com or call 888-413-8315. We will get you the parts you need quickly.
Q: I broke a block while tightening them down to the axle A: WARINING: DO NOT USE IF BLOCKS ARE BROKEN CONTACT HARDLINE PRODUCTS® FOR REPLACEMENT AT 888-413-8315 sales@hardlineproducts.com
Q: How much should I tighten axle clamp blocks? A: Do not over-tighten bolt and nut to blocks on training wheels or they could break. Tighten evenly 1/8 of a turn rotating between nuts until tight. Tighten to 12-13 ft. lbs. (16.26-17.62nm). There will be a gap between blocks when finished. DO NOT OVER TIGHTEN ATTEMPTING TO CLOSE GAP. It is ok to have an uneven gap between blocks, if you do not have a torque wrench to measure foot lbs. tighten nuts a little at a time, crisscrossing until you can not rotate axle by hand. Make sure to crisscross back and forth tightening each nut and each mount a little at a time until axle does not rotate by hand up or down
Q: My axle keeps rotating up lifting the wheels off the ground how do I stop that? A: Tighten your axle blocks nuts to 12-13 ft. lbs Criss cross when tightening. Do not try to close the gap on the block between the axle and the block.
Q: Is the Hardline Products Training kit Universal? A: Yes, if your 50cc or electric motorcycle has bolt mounted foot-pegs than our Universal kit will fit.
Q: What size are the tires you use on your training wheels? A: We use 8″ 4 ply tires.
Q: Do you offer replacement tires? A: Yes, you can order Here
Q: Do you offer replacement hardware? A: yes you can order Here
Q: Will this kit fit on a Stacyc Bike? A: please use our dedicated Stacyc Training Wheel kit for the easiest install order Here
Q: Do I have to remove the foot-pegs to install these Training wheels? A: No, you can just remove the bolt and slide in our bolt to accommodate the brackets.
Q: The bolts won’t fit in the foot-peg hole? A: Sometimes the manufactures tolerances are just a bit off. Use a drill bit to ream the foot-peg hole out just a bit.
Features & Operation
Q: How do I adjust the training wheels as my rider starts to achieve balance? A: Loosen the axle block clamp nuts just enough that it allows you to rotate the axle by hand up to bring the wheels off the ground. Then re-tighten the axle block nuts to hold the axle in place.
Q: Why is there a gap between the wheel and the cotter pin so the wheel can slide a bit on the axle? A: We designed this gap on purpose, this helps your training wheels corner better and less tire wear.
Durability & Lifespan
Q: Is the Hardline Products Training Wheels waterproof? A: Yes, your rider can ride through puddles. We use powder-coated paint and zinc galvanized fasteners that resist corrosion.
Q: Can I leave the training wheels on permantely? A: Yes. Always check the equipment for damage and make sure nuts & bolts are tight before riding.
UPC: 632194726338
B0752TT91W
Safety Warning:
FAILURE TO USE THIS AID CORRECTLY CAN RESULT IN SERIOUS INJURY OR DEATH. ONLY USE TRAINER FOR IT’S INTENDED PURPOSE. THIS PRODUCT IS INTENDED FOR BUILDING RIDING SKILLS ONLY.
DO NOT RIDE UNSUPERVISED BY AN ADULT.
DO NOT RIDE WITH FEET PLACED IN FRONT OF TRAINING WHEELS.
DO NOT USE AXLE AS FOOT PEGS. FEET NEED TO REMAIN ON MOTORCYCLE PEGS.
DO NOT RIDE IN CONGESTED AREAS.
DO NOT RIDE ON PUBLIC ROADS.
DO NOT RIDE ON STEEP TERRAIN.
DO NOT RIDE FASTER THAN THE ABILITY OF THE RIDER.
DO NOT RIDE WITHOUT BOOTS, GLOVES AND HELMET.
DO NOT USE ON ROUGH TERRAIN.
DO NOT USE WITH MORE THAN ONE PERSON AT A TIME.
DO NOT MODIFY EITHER THE MOTORCYCLE OR TRAINING WHEELS.
DO NOT OPERATE WITH MISSING WHEEL.
DO NOT USE IN SOFT SAND.
DO NOT USE FOR OTHER PURPOSE.
DO NOT CHANGE WHEELS.
DO NOT USE IN EXCESS OF 10 MPH.
DO NOT RACE OTHER VEHICLES.
DO NOT RIDE WITH A PASSENGER.
ALWAYS WEAR PROPER GEAR AND HELMET.
RIDE SMART! AND BE CONSIDERATE OF OTHERS!
DISCONTINUE USE IF ANY PART IS BROKEN, BENT OR MISSING. INSPECT BEFORE EACH USE.
Training Wheels Action Video
Install Video:
Product Review Video
Happy Boy!
Ryder’s 1st Ride
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