Shark Bearing of Steering Stem
- Brand: Mortch Motor
- Product Code: MIBRSK-4093
- Product Viewed: 254
- Availability: In Stock
- Weight: 0.24kg
- Packing Size: 10.00 x 8.00 x 4.00cm
US$1.50 185 SOLD
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Shark Steering Stem Bearing
🔧 Steering Stem Bearing · Headset Bearing · Steering Bearing
Excellent inexpensive replacement · Fits Big Turtle and more
This is a Steering Stem Bearing designed for Shark series scooters, an excellent and inexpensive replacement for the steering stem bearing. The steering stem bearing is installed between the frame head tube and the steering stem, ensuring smooth and precise handlebar movement while supporting the front end weight and absorbing road shocks.
Manufactured from high-quality steel, this bearing offers excellent wear resistance and durability. It is the ideal replacement when original bearings become worn or damaged, causing steering issues such as binding, play, or noise.
✨ Key Functions: Ensures smooth steering · Supports front load · Eliminates steering play · Enhances handling safety
Product Name
Steering Stem Bearing
Vehicle Application
Shark Series / Big Turtle
Material
High-Quality Bearing Steel
Type
Tapered Roller / Ball Bearing
This steering stem bearing primarily fits the following vehicles:
- Shark Series Scooters
- Big Turtle (大龟王)
- Other scooters using the same steering stem bearing specifications
🏍️ About Big Turtle:
Big Turtle is a classic vintage-style scooter. This steering stem bearing is suitable for Big Turtle and other Shark series models, ensuring smooth and reliable steering.
📌 Compatibility Note: This bearing is specifically designed for Shark series and Big Turtle scooters. Other vehicles may also be compatible, but please verify your original bearing specifications before purchasing.
🔄 Smooth Steering
Allows the handlebars to turn left and right smoothly and effortlessly for precise control.
⚡ Load Bearing
Supports the front end weight and absorbs road shocks and vibrations during riding.
🔧 Eliminate Play
With proper preload adjustment, eliminates axial and radial play, preventing handlebar wobble.
🛑 Safe Handling
Good bearing condition is essential for precise handling and safe riding.
- Binding Steering: Handlebars feel rough, notchy, or difficult to turn.
- Handlebar Wobble: Front end feels loose or wobbles, especially on rough roads or during braking.
- Steering Play: Noticeable free play when gently moving the handlebars side to side.
- Noise: Clicking or grinding sounds when turning.
- Poor Handling: Vehicle wanders or requires constant steering correction.
If you experience these symptoms, inspect the steering stem bearings and replace if necessary.
- Quality Steel: Made from high-quality bearing steel for excellent wear resistance and long life.
- Precise Dimensions: Manufactured to OEM specifications for perfect fit on Shark series and Big Turtle scooters.
- Great Value: OEM-equivalent quality at an affordable price.
- Direct Replacement: No modifications needed; direct bolt-on replacement for worn bearings.
- Improved Handling: Smoother steering and better control after replacement.
🔧 Installation Tip
1. Replacing steering stem bearings requires removing the front wheel and fork assembly. Professional installation is recommended.
2. After removing old bearings, clean the bearing races and steering stem thoroughly.
3. Apply appropriate grease to the new bearing before installation.
4. Adjust bearing preload according to specifications to ensure smooth steering without play.
5. After installation, test steering for smooth operation, no binding, and no noise.
- Please verify that this part fits your specific vehicle model and year. Many vehicles share similar names but use different components depending on year or market region.
- We strongly recommend cross-checking with your vehicle's owner's manual or contacting us for confirmation before placing your order.
- Product images, measurements, and descriptions are for reference only. Slight variations in color or appearance may occur due to manufacturing batches or photography lighting—functional specifications remain identical to the ordered part.
- Professional installation is mandatory. Mortch Motor assumes no liability for damages, injuries, or losses resulting from improper installation, misuse, unauthorized modification, or abnormal operation.
- All listed prices EXCLUDE shipping costs, import duties, taxes, and customs clearance fees. These charges (if applicable) are determined and collected by your local customs authority and are solely the buyer's responsibility.
- In case of return due to unpaid duties/taxes or refusal to clear customs, the buyer shall bear the original shipping cost, return shipping fees, and any associated administrative charges deducted from the refund.



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