BUCKLOS BSA 68/73mm Road Bike Bottom Bracket – SRAM DUB 29mm Bicycle Bottom Bracket Nixie BSA for DUB

BUCKLOS BSA 68/73mm Road Bike Bottom Bracket – SRAM DUB 29mm

BSA for DUB
$61.32 $73.55
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BUCKLOS BSA 68/73mm Road Bike Bottom Bracket – SRAM DUB 29mm Bicycle Bottom Bracket Nixie BSA for DUB
  • BUCKLOS BSA 68/73mm Road Bike Bottom Bracket – SRAM DUB 29mm Bicycle Bottom Bracket Nixie BSA for DUB
  • BUCKLOS BSA 68/73mm Road Bike Bottom Bracket – SRAM DUB 29mm Bicycle Bottom Bracket Nixie
  • BUCKLOS BSA 68/73mm Road Bike Bottom Bracket – SRAM DUB 29mm Bicycle Bottom Bracket Nixie
  • BUCKLOS BSA 68/73mm Road Bike Bottom Bracket – SRAM DUB 29mm Bicycle Bottom Bracket Nixie
  • BUCKLOS BSA 68/73mm Road Bike Bottom Bracket – SRAM DUB 29mm Bicycle Bottom Bracket Nixie
  • BUCKLOS BSA 68/73mm Road Bike Bottom Bracket – SRAM DUB 29mm Bicycle Bottom Bracket Nixie
  • BUCKLOS BSA 68/73mm Road Bike Bottom Bracket – SRAM DUB 29mm Bicycle Bottom Bracket Nixie
  • BUCKLOS BSA 68/73mm Road Bike Bottom Bracket – SRAM DUB 29mm Bicycle Bottom Bracket Nixie BSA for DUB
  • BUCKLOS BSA 68/73mm Road Bike Bottom Bracket – SRAM DUB 29mm Bicycle Bottom Bracket Nixie
  • BUCKLOS BSA 68/73mm Road Bike Bottom Bracket – SRAM DUB 29mm Bicycle Bottom Bracket Nixie
  • BUCKLOS BSA 68/73mm Road Bike Bottom Bracket – SRAM DUB 29mm Bicycle Bottom Bracket Nixie
  • BUCKLOS BSA 68/73mm Road Bike Bottom Bracket – SRAM DUB 29mm Bicycle Bottom Bracket Nixie
  • BUCKLOS BSA 68/73mm Road Bike Bottom Bracket – SRAM DUB 29mm Bicycle Bottom Bracket Nixie
  • BUCKLOS BSA 68/73mm Road Bike Bottom Bracket – SRAM DUB 29mm Bicycle Bottom Bracket Nixie
BUCKLOS BSA 68/73mm Road Bike Bottom Bracket – SRAM DUB 29mm

BUCKLOS BSA 68/73mm Road Bike Bottom Bracket – SRAM DUB 29mm

$61.32 $73.55
ColorBSA for DUB

BUCKLOS BSA Bottom Bracket for Road Bikes – SRAM DUB 29mm Compatible

Upgrade your road bike's drivetrain with the BUCKLOS BSA Bottom Bracket — a precision-engineered, threaded bottom bracket designed specifically for SRAM DUB 29mm cranksets. Built from cold-forged machined aluminum alloy with dual-labyrinth sealed bearings, this BB delivers smooth, creak-free pedaling and long-lasting durability for road cyclists who demand reliability on every ride.

Made in Mainland China.

Bottom Bracket Features

  • Shell Width: Fits frames with 68mm or 73mm bottom bracket shells (BSA standard)
  • Thread Standard: BC1.37-inch × 24T Left/Right threaded connection — enhances lateral stability and eliminates creaking noise
  • Premium Materials: Cold-forged machined aluminum alloy cups, dual-labyrinth bearing covers, and precision sealed bearings for smooth, consistent performance
  • Lightweight Design: Weighs just ~74.7g — minimal rotating mass for maximum efficiency
  • Perfect Application: Designed for road bikes with a 29mm crank spindle — an ideal match for SRAM DUB cranksets

Included CNC Wrench Tool Features

  • CNC Precision Machined: Crafted from 7075-grade aluminum alloy with CNC engraving and milling, plus anodic oxidation finish — super durable, lightweight, and high-strength; won't deform or scratch the axle
  • Dimensions: Approx. 19.5 × 6.3 cm / 7.6 × 2.5 inches; weight ~83.6g / 0.18 lb
  • Reusable Professional Tool: Specifically designed for DUB axis installation and removal
  • Wide Compatibility: Fits 12-slot/24-slot BB cups with a 46mm outer diameter — compatible with SRAM DUB, Race Face Cinch, Zipp Vuma, Rotor BSA 30 (46mm), Hawk Racing BB 3086 (46mm), and more
  • Versatile Use: Ideal for home mechanics, bike shops, factories, production lines, maintenance workshops, and personal bike modification

Why Choose BUCKLOS?

BUCKLOS is known for producing high-quality, performance-oriented cycling components that balance precision engineering with affordability. This bottom bracket kit is the complete solution for cyclists upgrading or replacing their drivetrain components without compromise.

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Specifications at a Glance

Brand BUCKLOS
Shell Width 68mm / 73mm
Thread Standard BC1.37" × 24T (BSA)
Spindle Compatibility 29mm (SRAM DUB)
Material Aluminum Alloy (Cold-Forged)
BB Weight ~74.7g
Tool Material 7075 Aluminum Alloy (CNC)
Tool Weight ~83.6g / 0.18 lb
Tool Dimensions 19.5 × 6.3 cm / 7.6 × 2.5 in
Country of Origin Mainland China

Learn more: MedlinePlus on the benefits of exercise

Frequently Asked Questions

Q: Is the BUCKLOS BSA Bottom Bracket compatible with SRAM DUB cranksets?

A: Yes! This BUCKLOS BSA bottom bracket is specifically designed for SRAM DUB 29mm crankset spindles. It uses a BC1.37" × 24T threaded connection and fits road bike frames with 68mm or 73mm BSA shell widths, making it a perfect match for SRAM DUB road drivetrains.

Q: Does this bottom bracket come with an installation tool?

A: Yes, this kit includes a CNC-machined 7075 aluminum alloy wrench tool designed specifically for DUB axis installation and removal. It works with 12-slot and 24-slot BB cups with a 46mm outer diameter and is reusable for future maintenance.

Q: What other crankset/BB systems is the included wrench tool compatible with?

A: The included wrench tool is compatible with SRAM DUB, Race Face Cinch, Zipp Vuma, Rotor BSA 30 (46mm), and Hawk Racing BB 3086 (46mm) — any 12-slot or 24-slot bottom bracket cup with a 46mm outer diameter (not 48mm).

Q: How much does the bottom bracket weigh?

A: The BUCKLOS BSA bottom bracket weighs approximately 74.7g, making it a lightweight option well-suited for road bike builds where reducing rotational mass is important.

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.

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