Square Taper Bottom Bracket 68×103-127.5mm Aluminum Alloy Bike BB
$13.33
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Compatible with 68mm threaded bottom bracket shells
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Multiple axle lengths available: 103 / 108 / 110 / 113 / 118 / 120 / 122.5 / 124.5 / 126 / 127.5mm
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Durable aluminum alloy cups for lightweight strength
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Sealed bearings for smooth pedaling and long service life
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Suitable for mountain bikes, road bikes, and city bicycles
- Description
- Additional information
- Reviews (0)
Description

Product Overview
The CATAZER Square Taper Bottom Bracket is designed for smooth and reliable drivetrain performance. Compatible with 68 mm threaded frames, it supports a wide range of axle lengths from 103 mm to 127.5 mm, making it suitable for different cranksets and chainline setups.
Built with durable aluminum alloy cups and precision sealed bearings, this bottom bracket provides stable crank support and efficient power transfer for everyday riding.

Technical Specifications
Material: Aluminum Alloy
Bearing Type: Sealed Steel Bearings
Bottom Bracket Standard: Square Taper
Frame Compatibility: 68mm Threaded Shell
Axle Length Options:
103 / 108 / 110 / 113 / 118 / 120 / 122.5 / 124.5 / 126 / 127.5mm
Application: MTB / Road Bike / City Bike
Package Includes
1 × Square Taper Bicycle Bottom Bracket
Installation bolts included
Keep Your Bike Running Smoothly
Upgrade your drivetrain with the CATAZER square taper bottom bracket, designed to deliver smooth pedaling performance, reliable durability, and improved riding efficiency.
Additional information
| Weight | 0.4 kg |
|---|---|
| Dimensions | 14 × 6 × 6 cm |
| Size | 103mm, 108mm, 110mm, 113mm, 118mm, 120mm, 122.5mm, 124.5mm, 126mm, 127.5mm |
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- Description
- Reviews (0)
Description

Product Overview
The CATAZER Square Taper Bottom Bracket is designed for smooth and reliable drivetrain performance. Compatible with 68 mm threaded frames, it supports a wide range of axle lengths from 103 mm to 127.5 mm, making it suitable for different cranksets and chainline setups.
Built with durable aluminum alloy cups and precision sealed bearings, this bottom bracket provides stable crank support and efficient power transfer for everyday riding.

Technical Specifications
Material: Aluminum Alloy
Bearing Type: Sealed Steel Bearings
Bottom Bracket Standard: Square Taper
Frame Compatibility: 68mm Threaded Shell
Axle Length Options:
103 / 108 / 110 / 113 / 118 / 120 / 122.5 / 124.5 / 126 / 127.5mm
Application: MTB / Road Bike / City Bike
Package Includes
1 × Square Taper Bicycle Bottom Bracket
Installation bolts included
Keep Your Bike Running Smoothly
Upgrade your drivetrain with the CATAZER square taper bottom bracket, designed to deliver smooth pedaling performance, reliable durability, and improved riding efficiency.
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Bicycle Center-Lock Hubs to 6-Bolt Disc Brake Rotor Adapter Fit for Thru-Axle Hub
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