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Kactus Tech Bicycle BSA-DUB Bottom Brackets BB Wrench Tool Axis 28.99mm Frame Width 68-73mm Threaded kits Central Movement Mtb

Kactus Tech Bicycle BSA-DUB Bottom Brackets BB Wrench Tool Axis 28.99mm Frame Width 68-73mm Threaded kits Central Movement Mtb

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Specifications

Brand Name
KACTUS TECH
High-concerned chemical
None
Origin
Mainland China
Material
Aluminum/Alloy
Model Number
BSA-DUB-W
Use
Road Bicycles
Type
Bicycle Bottom Brackets, Threaded Kits
Bearing
Ceramic Bearing
Bearing Grade
Ceramic,ABEC-7
Ceramic Beads
G3 Silicon nitride ceramic ball
Shell Material
AL7075 Aluminum Alloy
Color
Red,Black
Suitable
Both Road and Mountain Bicycles
Applicable Axis
28.99mm/28.99mm
Five-way Width
68mm-73mm
Shell width
68mm-73mm
weight 2
About 79g
Application
Fit for SRAM DUB specification cranksets.
weight BSA-DUB
about 79g

Product Description

KACTUSCeramic Bearing Bicycle Bottom Bracket BSADUB

Fit for :SRAM DUB specification cranksets.

About G3 Silicon Nitride Ceramic Beads :It highlights the higher strength and impact resistance characteristics of Si3N4, making it better than metal bearings, Secondly, their better wear resistance and heat resistance, light weight and smoothness, making the cranksets smoother during rotation. Be loved and recommended by cycling enthusiasts.reducing friction.

Brand:KACTUS TECH

Name:Bicycle Bottom Bracket

Model Number:BSADUB

Color:Black ,Red

Material:Aluminum Alloy,Ceramic Palin

Weight :About 79g(Weight does not include accessories)

Shell width:68mm-73mm

Applicable Axis:φ28.99mm /φ28.99mm

Bottom Bracket Tool (Wrench) compatibility:SRAM DUB, SHIMANO BSA / FC-25 / FC-24

Ceramic Bearing

G3 Silicon Nitride Ceramic Axis

01.CNC Machining Process

Heat treated CNC process Guaranteed strength Lightweight at the same time.

02.G3 Ceramic Bearing

1.Ceramic bearings are installed in cups.

2.High quality G3 silicon nitride ceramic beads and hardened-steel races.

3.G3 Silicon nitride ceramic beads ,it highlights the higher strength and impact

resistance characteristics of Si3N4, making it better than metal bearings, Secondly,

their better wear resistance and heat resistance,light weight and smoothness,

making the cranksets smoother during rotation. Be loved and recommended by

cycling enthusiasts.

4.Low operating noise.

03.Lightweight Design

The shell is made of high-strength aluminum alloy material, integrally formed, and

anodized, which increases the hardness and wear resistance of the product and

extends the service life of the product.

04.Free Adjustable Pads

Easy to adjust the centerline distance of the chain of the crank disc

>>Note: The number of each gasket varies according to actual needs<<

05.Bottom Parts

Lightweight aluminum alloy is not easily deformed Built-in rubber ring to prevent

dust from entering.

06.Multicolor Options

Two colors of the product can be selected, you can choose according to your

preferences there is always one suitable for you.

07.Laser Tech

Laser etching technology, clear handwriting, good quality.

08.Delicate Thread

Rotating thread design, lock firmly and more stable.

09.Product physical photos

The product is taken in kind and displayed from multiple angles, showing you

more different product scenarios

10.Product Packaging

Note: Due to different batches, the factory will replace the outer packaging of

the product, please refer to the actual receipt!


Product information last updated on March 22, 2026