Avalanche Bottom Kids Bike 12"–20"
What Is It?
The Avalanche Bottom Kids Bike 12"–20" is a replacement bottom bracket (BB) designed for Avalanche children's bicycles with wheel sizes ranging from 12-inch to 20-inch. The bottom bracket is the bearing assembly located inside the frame that allows the crankset and pedals to rotate smoothly.
It is an essential drivetrain component used when replacing a worn, damaged, or seized bottom bracket on a kids' bike.
Key Features
- Replacement bottom bracket for Avalanche junior bikes
- Designed for bikes with 12" to 20" wheels
- Supports smooth crank and pedal rotation
- Durable bearing construction
- Helps restore efficient pedalling performance
- Direct replacement for worn or damaged BB units
- Suitable for balance bikes, junior bikes, and youth mountain bikes
- Improves drivetrain reliability and longevity
Specifications
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Brand: Avalanche
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Product: Kids Bike Bottom Bracket
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Compatibility: Avalanche bikes 12"–20"
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Component Type: Bottom Bracket Assembly
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Function: Supports crank axle rotation
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Application: Kids' bicycles
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Installation: Requires bottom bracket tools for fitting/removal
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Use: Replacement and maintenance part
Who Is It Suitable For?
- Parents maintaining Avalanche kids' bikes
- Bicycle workshops and mechanics
- Riders with worn or rough-feeling crank bearings
- Owners of 12", 14", 16", 18", and 20" Avalanche bikes
- Anyone refurbishing a junior bicycle
Who Should Use It?
- Bikes with excessive crank play or wobble
- Bikes producing grinding noises from the crank area
- Children's bicycles with seized or rough bearings
- Mechanics performing complete drivetrain overhauls
- Riders replacing damaged crank or BB components
Signs the Bottom Bracket Needs Replacement
- Pedals feel rough when turning
- Clicking or grinding noises while pedalling
- Side-to-side movement in the crankset
- Increased pedalling resistance
- Water or dirt contamination inside the bearings
