BUCKLOS 24mm BSA Threaded Bottom Bracket BB68/73 MTB Road Bike
BUCKLOS 24mm BSA Threaded Bottom Bracket BB68/73 MTB Road Bike
BUCKLOS 24mm BSA Threaded Bottom Bracket – BB68/73 for MTB & Road Bikes
Upgrade your drivetrain with the BUCKLOS 24mm BSA Threaded Bottom Bracket, engineered for smooth, efficient pedaling on mountain bikes and road bikes alike. Compatible with BB68 and BB73 shells, this bottom bracket fits a wide range of 24mm spindle cranks and is available in three models — MH500, MH530, and MH800 — so you can choose the right level of performance for your ride.
Made in China.
Why Choose the BUCKLOS Bottom Bracket?
- Three Model Options: Choose from MH500 (sealed bearing, PP bushing), MH530 (sealed bearing, aluminum alloy bushing), or MH800 (ceramic bearing, aluminum alloy bushing) to match your performance needs and budget.
- BSA Threaded Design: Standard BSA threading ensures compatibility with the most common bottom bracket shell formats — easy to install and replace.
- Sealed & Ceramic Bearing Options: Sealed bearings (MH500/MH530) keep out dirt and moisture for reliable everyday riding. The ceramic bearing option (MH800) offers reduced friction and enhanced durability for performance-oriented cyclists.
- 24mm Spindle Compatibility: Designed specifically for 24mm spindle cranks, compatible with popular crankset standards.
- Lightweight Construction: Aluminum alloy body (MH530/MH800) keeps weight low — as light as 104.2g — without sacrificing strength.
- Complete Package: Includes 1 × Bottom Bracket + 3 × Washers for a complete, ready-to-install solution.
Specifications
| Brand | BUCKLOS |
| Models | MH500 / MH530 / MH800 |
| Type | BSA Threaded Bottom Bracket |
| Shell Width | BB68 / BB73 (68mm & 73mm) |
| Spindle Diameter | 24mm |
| Bearing Type | Sealed Bearing (MH500/MH530) / Ceramic Bearing (MH800) |
| Bushing Material | PP (MH500) / Aluminum Alloy (MH530/MH800) |
| Weight | 104.2g (MH500) / 117.3g (MH530) / 110g (MH800) |
| Package Included | 1 × Bottom Bracket + 3 × Washers |
| Country of Origin | Made in China |
Note: Due to different measurement methods and tools, there may be slight errors in listed values. Please confirm the model you need before completing your purchase.
You May Also Like
- 1PC 10g High Grade Silicon Grease Lubricant – Great for BB Installation & O-Ring Maintenance
- 1PC Multi-Use Wrenches – Handy Spanner Tool for Component Servicing
- 3PCS Silicone Sealant Scraper Set – Multi-Functional Tool Kit
Learn more: HHS Move Your Way physical activity guidance
Frequently Asked Questions
Q: Which cranksets are compatible with the BUCKLOS 24mm BSA Bottom Bracket?
A: This bottom bracket is designed for cranks with a 24mm spindle diameter, which includes popular cranksets such as Shimano HollowTech II series. It fits BB68 and BB73 threaded bottom bracket shells found on most MTB and road bike frames.
Q: What is the difference between the MH500, MH530, and MH800 models?
A: The MH500 uses a sealed bearing with a PP plastic bushing and is the lightest option at 104.2g — ideal for everyday riding. The MH530 upgrades to an aluminum alloy bushing for added stiffness and durability (117.3g). The MH800 features a premium ceramic bearing with an aluminum alloy bushing (110g), offering lower rolling resistance and longer service life for performance cyclists.
Q: Is this bottom bracket compatible with both MTB and road bike frames?
A: Yes! The BUCKLOS BSA threaded bottom bracket fits both mountain bike (MTB) and road bike frames with BB68 or BB73 standard threaded shells, making it a versatile upgrade for a wide range of bicycle types.
Q: What is included in the package?
A: Each package includes 1 × Bottom Bracket and 3 × Washers — everything you need for a clean, proper installation on your bike frame.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.