Default Welcome Msg
Bicycle Adjustable Front Derailleur Braze-On Adapter 28.6/31.8/34.9mm
$11.99
-
Wide Compatibility: Designed to fit 28.6 mm, 31.8 mm and 34.9 mm seat tube diameters for versatile bike setups.
-
Brand Support: Works with Shimano, SRAM, FSA and Campagnolo braze-on style front derailleurs.
-
Adjustable Fit: Height can be fine-tuned to achieve perfect gear changing position.
-
Lightweight & Durable: Made from high-strength aluminum alloy for reliable performance without adding bulk.
-
Easy Installation: Simple clamp design mounts securely on the frame seat tube.
- Description
- Additional information
- Reviews (0)
Description
Product Overview
The CATAZER Adjustable Front Derailleur Braze-On Adapter enables you to mount a braze-on front derailleur to bicycles with round seat tube diameters where no direct mount exists. It supports three common frame sizes: 28.6 mm, 31.8 mm and 34.9 mm — making it suitable for both road and mountain bikes.
Constructed from a durable aluminum alloy, this adapter offers a lightweight yet rigid platform for your front derailleur, preserving shifting accuracy and reliability on every ride. It is compatible with most front derailleur systems from brands like Shimano, SRAM, FSA and Campagnolo.
Why Choose This?
-
Multi-Size Fit: Accommodates major seat tube diameters (28.6 mm, 31.8 mm, 34.9 mm) with a single adapter.
-
Broad Brand Compatibility: Works seamlessly with leading front derailleur systems.
-
Adjustable Height: Lets you fine-tune your front derailleur placement for optimal performance.
-
Premium Aluminum Build: Lightweight yet rugged alloy provides long-lasting durability.
-
Easy Clamping Design: Simple to install with common tools and compatible with existing bike components.
Technical Specifications
-
Product Type: Front Derailleur Braze-On Adapter Clamp
-
Compatible Seat Tube Diameters: 28.6 mm, 31.8 mm, 34.9 mm
-
Front Derailleur Compatibility: Shimano, SRAM, FSA, Campagnolo Braze-On Types
-
Material: High-Strength Aluminum Alloy
-
Weight: Approx. 40 g (lightweight performance)
-
Use Case: Road Bikes, Mountain Bikes, Touring Bikes, Hybrid Bikes
Package Includes
-
1 × Adjustable Front Derailleur Braze-On Adapter Clamp
(Front derailleur and tools not included)
How To Use
-
Determine your frame’s seat tube diameter (28.6 mm, 31.8 mm or 34.9 mm).
-
Slide the adapter onto the seat tube and align with the front derailleur mounting position.
-
Secure the clamp with bolts while adjusting the height to match the ideal chainline.
-
Attach your front derailleur to the adapter.
-
Test and fine-tune front shifting for smooth gear changes.
Keep Your Drivetrain Performing
Whether you’re converting a braze-on derailleur to a clamp mount frame, replacing worn parts, or building a custom bike setup, this adjustable front derailleur adapter ensures secure fitment and reliable shifting performance from trail to road.
Additional information
| Weight | 0.1 kg |
|---|---|
| Dimensions | 10 × 5 × 9 cm |
| Color | Black, Sliver |
| Size | 28.6, 31.8, 34.9 |
Leave your review
Related Products
-
Components, Drivetrain & Gears, Gear Cables10 Pcs Stainless Steel Bicycle Shifter Cable 2 m Replacement Gear Cable
$2.73There is no AI review summary. -
Brake Rotors, ComponentsAluminium Alloy Bike Disc Brake Hub Adapter for Mountain Bike
$7.10 - $8.76There is no AI review summary.Select options This product has multiple variants. The options may be chosen on the product pageQuick View -
Components, Pedal Adapter, Pedals & CleatsClipless Pedal Adapter For Shimano SPD Compatible Bikes
$6.78 - $8.37There 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 & PostsHoneycomb Silicone Bicycle Saddle Cover Non-Slip for Gravel Road Bike Comfortable for Cycling
$10.41 - $11.21There 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 & PostsRetro Leather 3 Spring Bike Saddle with Steel Sturdy Willow Nail Fixed
$16.36There is no AI review summary.
- Description
- Reviews (0)
Description
Product Overview
The CATAZER Adjustable Front Derailleur Braze-On Adapter enables you to mount a braze-on front derailleur to bicycles with round seat tube diameters where no direct mount exists. It supports three common frame sizes: 28.6 mm, 31.8 mm and 34.9 mm — making it suitable for both road and mountain bikes.
Constructed from a durable aluminum alloy, this adapter offers a lightweight yet rigid platform for your front derailleur, preserving shifting accuracy and reliability on every ride. It is compatible with most front derailleur systems from brands like Shimano, SRAM, FSA and Campagnolo.
Why Choose This?
-
Multi-Size Fit: Accommodates major seat tube diameters (28.6 mm, 31.8 mm, 34.9 mm) with a single adapter.
-
Broad Brand Compatibility: Works seamlessly with leading front derailleur systems.
-
Adjustable Height: Lets you fine-tune your front derailleur placement for optimal performance.
-
Premium Aluminum Build: Lightweight yet rugged alloy provides long-lasting durability.
-
Easy Clamping Design: Simple to install with common tools and compatible with existing bike components.
Technical Specifications
-
Product Type: Front Derailleur Braze-On Adapter Clamp
-
Compatible Seat Tube Diameters: 28.6 mm, 31.8 mm, 34.9 mm
-
Front Derailleur Compatibility: Shimano, SRAM, FSA, Campagnolo Braze-On Types
-
Material: High-Strength Aluminum Alloy
-
Weight: Approx. 40 g (lightweight performance)
-
Use Case: Road Bikes, Mountain Bikes, Touring Bikes, Hybrid Bikes
Package Includes
-
1 × Adjustable Front Derailleur Braze-On Adapter Clamp
(Front derailleur and tools not included)
How To Use
-
Determine your frame’s seat tube diameter (28.6 mm, 31.8 mm or 34.9 mm).
-
Slide the adapter onto the seat tube and align with the front derailleur mounting position.
-
Secure the clamp with bolts while adjusting the height to match the ideal chainline.
-
Attach your front derailleur to the adapter.
-
Test and fine-tune front shifting for smooth gear changes.
Keep Your Drivetrain Performing
Whether you’re converting a braze-on derailleur to a clamp mount frame, replacing worn parts, or building a custom bike setup, this adjustable front derailleur adapter ensures secure fitment and reliable shifting performance from trail to road.
Leave your review
Related Products
-
Components, Drivetrain & Gears, Gear Cables
10 Pcs Stainless Steel Bicycle Shifter Cable 2 m Replacement Gear Cable
$2.73There is no AI review summary. -
Brake Rotors, Components
Aluminium Alloy Bike Disc Brake Hub Adapter for Mountain Bike
$7.10 - $8.76There is no AI review summary.Select options This product has multiple variants. The options may be chosen on the product pageQuick View -
Bottom_Brackets, Components, Drivetrain_GearsBSA 68-73mm Aluminum Bicycle Bottom Bracket With Steel Bearings
$7.17 - $8.86There 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 & PostsKids Balance Bike Saddle Replacement Compatible with 22.2mm Diameter Seatpost
$12.00There is no AI review summary. -
Bar Tape, Components, Parts & StemNapa Leather Retro Bicycle Handlebar Tape 2 Rolls with End Plugs
$14.35 - $17.71There is no AI review summary.Select options This product has multiple variants. The options may be chosen on the product pageQuick View -
Components, Headsets, Parts & StemProfession Bicycle Headset for 1-1/8″-1-1/2″ Tapered Tube for Road/TT/MTB Bicycle
$14.86There is no AI review summary.
