Square Taper BSA Bottom Bracket 68mm Multiple Spindle Sizes 103/107110.5/113/116/118/120/122.5/124.5/127.5mm
$8.00
-
Wide Compatibility: Fits 68mm BSA (English-threaded) frames and multiple spindle lengths from 103mm to 127.5mm for various cranksets.
-
Durable Construction: High-quality stainless steel ensures long-lasting performance and low-friction pedaling.
-
Smooth Rotation: Precision-machined square taper interface provides reliable and smooth pedaling efficiency.
-
Easy Installation: Designed for DIY or professional mechanics; simple to install with standard tools.
-
Versatile Use: Ideal for road bikes, mountain bikes, hybrid bikes, and vintage bicycles for maintenance or upgrades.
- Description
- Additional information
- Reviews (0)
Description
Product Overview
Upgrade your bike’s drivetrain with the Catazer Square Taper BSA Bottom Bracket. Designed for 68mm BSA (English-threaded) frames, this durable bottom bracket supports a wide range of spindle lengths from 103mm to 127.5mm, making it compatible with various square taper cranksets. Engineered for smooth pedaling and long-lasting performance, it’s perfect for road bikes, mountain bikes, hybrids, and vintage builds.
Why Choose This?
-
Wide Compatibility: Fits 68mm BSA bottom bracket shells and multiple spindle lengths (103–127.5mm)
-
Durable Construction: Precision-machined stainless steel ensures long-lasting performance
-
Smooth Rotation: Provides low-friction pedaling for better riding efficiency
-
Easy Installation: Suitable for DIY or professional bike maintenance
-
Reliable for All Bikes: Road, MTB, hybrid, or classic bicycles
Technical Specifications
-
Type: Square Taper Bottom Bracket (BSA / English Threaded)
-
Shell Width: 68mm
-
Spindle Lengths Available: 103 / 107 / 110.5 / 113 / 116 / 118 / 120 / 122.5 / 124.5 / 127.5mm
-
Crankset Compatibility: Square Taper
-
Material: High-quality stainless steel
-
Frame Compatibility: BSA (English Threaded) 68mm shell
- Weight: 300g
Package Includes
-
1 x Square Taper BSA Bottom Bracket (your selected spindle length)
-
2 x Screws
(Note: Crankset and tools not included)
How to Use
-
Remove your existing bottom bracket from the frame.
-
Select the correct spindle length for your crankset.
-
Grease the threads and carefully install the new bottom bracket using a proper tool.
-
Tighten according to manufacturer’s torque specifications.
-
Install crankset and test for smooth rotation.
Keep Your Bike Running Smoothly
Regularly check and maintain your bottom bracket for optimal performance. With the Catazer Square Taper BSA Bottom Bracket, you can enjoy smooth, reliable pedaling and extend the life of your drivetrain. Perfect for upgrades, replacements, or custom builds.

Additional information
| Weight | 0.4 kg |
|---|---|
| Dimensions | 14 × 5 × 5 cm |
| Size | 103mm, 107mm, 110.5mm, 113mm, 116mm, 118mm, 120mm, 122.5mm, 124.5mm, 127.5mm |
Related Products
-
Components, Brakes, Brake Calipers
Bicycle Disc Brake Adapter Converter Aluminum Alloy Rim to Disc Brake
$13.65 - $16.860 - 0 reviewsThere is no AI review summary.Select options This product has multiple variants. The options may be chosen on the product pageQuick View -
Components, Drivetrain_Gears, Bottom_Brackets
BSA 68-73mm Aluminum Bicycle Bottom Bracket With Steel Bearings
$7.17 - $8.860 - 0 reviewsThere is no AI review summary.Select options This product has multiple variants. The options may be chosen on the product pageQuick View -
Brake Levers, Brakes, Components
Lightweight Aluminum Alloy Mountain Bike Disc Brake Lever with Bell
$16.290 - 0 reviewsThere is no AI review summary.Select options This product has multiple variants. The options may be chosen on the product pageQuick View -
Brake Rotors, Brakes, Components
Mountain Bike Disc Brake Rotor G3 160/180/203mm 6 Bolts
$2.15 – $4.720 - 0 reviewsThere is no AI review summary.Select options This product has multiple variants. The options may be chosen on the product pageQuick View -
Bar Tape, Components, Parts & Stem
Napa Leather Retro Bicycle Handlebar Tape 2 Rolls with End Plugs
$14.35 - $17.710 - 0 reviewsThere is no AI review summary.Select options This product has multiple variants. The options may be chosen on the product pageQuick View
- Description
- Reviews (0)
Description
Product Overview
Upgrade your bike’s drivetrain with the Catazer Square Taper BSA Bottom Bracket. Designed for 68mm BSA (English-threaded) frames, this durable bottom bracket supports a wide range of spindle lengths from 103mm to 127.5mm, making it compatible with various square taper cranksets. Engineered for smooth pedaling and long-lasting performance, it’s perfect for road bikes, mountain bikes, hybrids, and vintage builds.
Why Choose This?
-
Wide Compatibility: Fits 68mm BSA bottom bracket shells and multiple spindle lengths (103–127.5mm)
-
Durable Construction: Precision-machined stainless steel ensures long-lasting performance
-
Smooth Rotation: Provides low-friction pedaling for better riding efficiency
-
Easy Installation: Suitable for DIY or professional bike maintenance
-
Reliable for All Bikes: Road, MTB, hybrid, or classic bicycles
Technical Specifications
-
Type: Square Taper Bottom Bracket (BSA / English Threaded)
-
Shell Width: 68mm
-
Spindle Lengths Available: 103 / 107 / 110.5 / 113 / 116 / 118 / 120 / 122.5 / 124.5 / 127.5mm
-
Crankset Compatibility: Square Taper
-
Material: High-quality stainless steel
-
Frame Compatibility: BSA (English Threaded) 68mm shell
- Weight: 300g
Package Includes
-
1 x Square Taper BSA Bottom Bracket (your selected spindle length)
-
2 x Screws
(Note: Crankset and tools not included)
How to Use
-
Remove your existing bottom bracket from the frame.
-
Select the correct spindle length for your crankset.
-
Grease the threads and carefully install the new bottom bracket using a proper tool.
-
Tighten according to manufacturer’s torque specifications.
-
Install crankset and test for smooth rotation.
Keep Your Bike Running Smoothly
Regularly check and maintain your bottom bracket for optimal performance. With the Catazer Square Taper BSA Bottom Bracket, you can enjoy smooth, reliable pedaling and extend the life of your drivetrain. Perfect for upgrades, replacements, or custom builds.

Related Products
-
Components, Drivetrain & Gears, Gear Cables
10 Pcs Stainless Steel Bicycle Shifter Cable 2 m Replacement Gear Cable
$2.730 - 0 reviewsThere is no AI review summary. -
Bar Tape, Components, Parts & Stem
Bicycle Handlebar Tape 210cm Length PU Leather Wear Resistance
$5.55 - $6.860 - 0 reviewsThere is no AI review summary.Select options This product has multiple variants. The options may be chosen on the product pageQuick View -
Components, Drivetrain_Gears, Bottom_Brackets
BSA 68-73mm Aluminum Bicycle Bottom Bracket With Steel Bearings
$7.17 - $8.860 - 0 reviewsThere is no AI review summary.Select options This product has multiple variants. The options may be chosen on the product pageQuick View -
Components, Saddles, Saddles & Posts
Kids Balance Bike Saddle 22.2mm Seatpost PU Padded Comfort Replacement
$11.180 - 0 reviewsThere is no AI review summary. -
Brake Rotors, Brakes, Components
Lightweight Hydraulic R7 Bicycle Disc Brake Rotor 140mm/160mm/180mm 44mm
$2.09 - $3.860 - 0 reviewsThere is no AI review summary.Select options This product has multiple variants. The options may be chosen on the product pageQuick View -
Components, Grips, Parts & Stem
Rubber Plastic 120mm Length Ergonomic Design Bike Handlebar Grips
$2.300 - 0 reviewsThere is no AI review summary.

















































