BUCKLOS BSA BB68 Bike Bottom Bracket MTB Road E-Bike Crankset
BUCKLOS BSA BB68 Bike Bottom Bracket MTB Road E-Bike Crankset
BUCKLOS BSA Bike Bottom Bracket – BB68 Compatible | Road, MTB & E-Bike
Upgrade your drivetrain with the BUCKLOS CNC High-Strength Steel Bottom Bracket — engineered for reliability and smooth pedaling performance across road bikes, mountain bikes, and e-bikes. Featuring a sealed bearing design, this BSA-threaded bottom bracket fits a 68mm frame shell and is available in multiple axle lengths to match your exact crankset setup.
Key Features
- Universal Compatibility: Fits BSA 68mm threaded frame shells across road, MTB, and e-bike platforms
- Multiple Axle Length Options: Available in 68×110.5 / 113 / 116 / 118 / 120 / 122.5 / 124.5 / 126mm for precise crankset fitment
- CNC High-Strength Steel Construction: Machined for dimensional accuracy and long-lasting durability under demanding riding conditions
- Sealed Bearing Design: Keeps out dirt, water, and grit — ensuring consistent smooth rotation ride after ride
- Square Taper Interface: Compatible with standard square hole crank arms for easy installation
- Lightweight Build: Approximately 320g (weight varies slightly by axle length)
- Complete Package: Includes 1× Bottom Bracket + 2× Mounting Screws — everything you need to get rolling
Specifications
| Brand | BUCKLOS |
| Type | BSA Bottom Bracket (Square Taper) |
| Frame Shell Width | 68mm |
| Axle Lengths | 110.5 / 113 / 116 / 118 / 120 / 122.5 / 124.5 / 126mm |
| Material | CNC High-Strength Steel |
| Bearing Type | Sealed Bearing |
| Weight (approx.) | ~320g (varies by size) |
| Package Contents | 1× Bottom Bracket, 2× Screws |
| Country of Origin | Made in China |
Compatible Bike Types
- Mountain Bikes (MTB)
- Road Bikes
- E-Bikes (Electric Bikes)
- Hybrid / Commuter Bikes with BSA 68mm threaded shells
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Frequently Asked Questions
Q: What frame shell width does this BUCKLOS bottom bracket fit?
A: This bottom bracket is designed for BSA 68mm threaded frame shells, which is one of the most common standards found on road bikes, mountain bikes, and e-bikes. Make sure to measure your frame's bottom bracket shell width before ordering.
Q: Which axle length should I choose for my crankset?
A: The correct axle length depends on your specific crankset model and frame design. Common axle lengths available are 110.5, 113, 116, 118, 120, 122.5, 124.5, and 126mm. Check your crankset manufacturer's recommendations or measure your existing bottom bracket axle length to find the right fit.
Q: Is this bottom bracket compatible with e-bikes?
A: Yes! The BUCKLOS BSA Bottom Bracket is compatible with e-bikes that use a standard 68mm BSA threaded frame shell and square taper crank interface. Its CNC high-strength steel construction handles the additional torque demands of e-bike drivetrains.
Q: Does this bottom bracket come with installation hardware?
A: Yes, each package includes 1× Bottom Bracket and 2× Mounting Screws — everything needed for installation. A standard bottom bracket tool (cup wrench) is recommended for proper tightening.
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.