Best Aluminum Bike Brake Adapters in 2026

Description: Rear 160mm, P/S

Description: Rear 203mm, P/S

【EASY & SECURE LOCK SYSTEM】 This mountain bike stem phone mount integrates quick mount mechanism and ultra-lock system to offer more security through additional locking. It comes with 1 universal adapter. The adapter with large paste area( L66*W51mm)(2.6"*2") & 3D curved surface design can be strongly pasted on most phone cases, also provides comfortable touch.***Make sure your phone pushed into place of the mount base completely before riding.

【DURABLE & STURDY】 This bicycle phone mount base made of premium Aluminum Alloy which is long-lasting and durable.

【ONE-HAND OPERATION】Simply push your phone to the bicycle phone holder to fix it. Rotate 90° to remove your phone with one hand in a second. It provides easy access to your devices on the go.

CNC machined anodized alloy adaptor, use for install 200mm 203mm rotor caliper on 180mm PM post, also for install 180mm rotor caliper on 160mm PM post, compatible 74mm fork/frame post mount, compatible with Shimano, Sram, Avid and other caliper.

Package include: 1x post mount adapter, 2x mount bolts with spacers whashers.

Fit for 160mm front and rear disc brakes, one for each.

High quality aftermarket ultra light weight construction CNC machined alloy disc brakes adapters with low profile design for use with hydraulic or mechanical brakes

International standard is and post mount pm fitting with bolts

【Compatible】Brake adapter is compatible for Front IS/POST 180mm 203mm, Front POST/POST 180mm 203mm, Rear IS/POST 180mm 203mm, Rear POST/POST 180 203mm

【CNC Machined】Aluminum alloy rotor adapter adopts CNC machining technology, which is sturdy and durable and has a long service life.

【Universal Installation】Fits all brands such as shimano, tektro, hope, magura, promax, hayes, formula, quad, etc.

The disc brake mount is used on the B-pillar front fork collocation with a 203mm disc rotor. The disc brake mount is used on the rear fork of the B-pillar frame collocation with 180mm discs rotor.

Made of super strength and light alloy.

For IS front & rear wheel. Bolts and washers are included.

Compatibility: Disc Brake Mount Adaptor for 203mm Front 180mm Rear Caliper - International Standard Mount to Post Mount 74mm

Quality Material: Aluminium Alloy - The high standard painting process will keep this exquisite and reliable adapter last for a long time.

Light Weight: 31g - This super lightweight adapter will never be the burden of your enjoyable riding journey.

Material:metal Color:black Interior Diameter(Optional): 20mm/0.79", 31.8mmm/1.25" (Approx.)

Refitting bracket can refit normal bicycle to update into disc brake bicycle

It is adjustable,and the bracket can be adapted from normal bicycle application into disc brake bicycle.

SIZE: Package of 2, 20mm and 31.8mm Disc Brake Bracket

MATERIAL: Made of premium metal material, durable, sturdy and safe

FEATURE: Easy to install and disassemble, convenient for carrying and using

PREMIUM QUALITY:Bicycle Disc Brake is made of high quality metal materials, the brake bracket is durable for long service life.

EASY TO USE:Simple structure, Bicycle Disc Brake is easy to install and convenient to use.

GOOD PERFORMANCE:Refitting bracket can refit normal bicycle to updated into disc brake bicycle, Bicycle Disc Brake offers you new riding experience.

[Thin Design]: The disc brake mounting bracket adopts a flat design, which can be used for hydraulic brakes or damaged, and it can effectively improve durability

[High Firmness]: This bicycle disc brake adapter bracket is then fixed with screws according to international standards, which can effectively improve the firmness

[Convenient Modification]: This disc brake adapter 203 can convert ordinary bicycles into disc brake bicycles, which can match most mountain bikes

Rear Disc Brake Adapter for Trek / Gary Fisher Frame - Direct Mount (160mm)

for Trek and Gary Fisher frames that was designed This adapter is precision machined, ball burnished and anodized black. The fit and finish far surpasses any alternative

Please note that this adapter is a direct mount for frames with the "bump" on the rear dropout.We have two different versions of this adapter available. This model is the "direct mount" version and will accept a 160mm rotor.

Aluminum Alloy Material : The bicycle disc brake conversion seat is made of aluminum alloy, sturdy and practical.

Aluminum Alloy Material : The bicycle disc brake conversion seat is made of aluminum alloy, sturdy and practical.

Practical to Use : Bicycle Disc Brake Adapter Converter is easy to use and practical, can be converted into a regular bicycle disc brake bicycle.

A NECESSITY FOR CYCLISTS: The disc brake adapter can refit normal bicycle to updated into disc brake bicycle, it is a perfect modification accessory.Professional and practical design with beautiful appearance, easy to carry and use.

DURABLE: The bike disc brake adapter is made of high-quality aluminum alloy and stainless steel, anti-rust and anti-corrosion, owning long using life span.It is very easy to install and disassemble, without worrying about your hands-on ability is not enough.

PRACTICAL TOOL: The bicycle disc brake adapter can improve the flexibility of riding and is more practical, it is necessary for cyclists.Appropriate Size-Maximum installation diameter:12.2*8*2.2cm/4.79*3.14*0.86inch (L*W*H)

Preminum Material: Bike disc brake adapter is made of finest quality 7075 aviation aluminum alloy cutting, and with excellent workmanship, which is sturdy and durable and can be used for a long time.

Wide Applicaption: Bike disc brake adapter can reduce the wear of brake discs, suitable for bicycle disc brake systems with a diameter of 180mm. And be sure to your size before ordering.

Reasonable Design: CNC precise turning and eccentric screw hole design. T6 hard processing, advanced anodic oxidation technology. And it can help improve the overall performance.

Material: aluminum

Attachment Type: post, IS

Includes: mounting hardware

【DURABLE MATERIAL】The bicycle disc brake adapter is cut from the highest quality 7075 aviation aluminum alloy, which is well-crafted and durable for long-term use.

【REASONABLE DESIGN】CNC precision turning and eccentric screw hole design. T6 hard treatment, advanced anodizing technology. It can help improve overall performance.

【WIDE RANGE OF APPLICATIONS】The bicycle disc brake adapter can reduce the wear of the brake disc and is suitable for the bicycle disc brake system with a diameter of 180mm. And make sure your size before ordering.

. Model: Standard -F/R203 (A Column), Mount Type: Post Mount to Front Fork Post or Rear Frame Mount

. With 4 bolts and 8 washers, easy to install and convenient to use

. Universal fits to 203 mm/8 inch disc rotor

🚴🚴Durable Material - The disc brake bracket is made of high‑quality aluminum alloy materials, durable and sturdy, long service life.

🚴🚴Scope Of Application - Front fork disc brake adapter, suitable for front and rear wheel 140mm/160mm flat mounting.

🚴🚴Stable Performance - Lightweight and strong, with higher wear resistance, The excellent appearance processing makes the converter look more delicate.

Fitting with Post Mount brake calipers.

Fitting with Flatmount Frame 160mm rotor

Fits all brands such as shimano, tektro, hope, magura, etc.

【Aluminum Alloy Material】 It is made of high quality aluminum alloy, which is durable, wear resistant and can be used for a long time.

【Exquisite Appearance】 The fine treatment of the appearance makes the converter look more exquisite and optimizes the appearance of the bike.

【Simple Operation】 Simple structure, simple to operate, easy to install and disassemble. Without any difficult requirements even though you use it for the first time.

【Bike Centerlock Adapter】This Bicycle center lock adapter compatible with 9mm/12mm/15mm hub axles and accepts 44mm 6-bolt disc rotors.

【MTB Bicycle Fitting Adapter】Suitable compatible with mountain bikes. You can be both to be installed and replaced on the front or rear. Useful accessory compatible with bike lovers to DIY bike.

【Sturdy & Durable】Made of high-quality aluminum alloy for high strength, high wear resistance and not easy to break. Excellent Hardness Would Withstand The Abrasion Of Braking And Give You A Long Service Life.

【Durable Material】: Made of lightweight anodized aluminum alloy and steel, which is high strength, solid and durable.

【Use for】: The disc brake adapter can upgrade the V brake to a disc brake, which is a perfect modification accessory. Professional and practical design.

【Non-universal products】: Please carefully confirm whether it is suitable for your bicycle before purchasing. Please confirm the position of the rear dropout on your frame. If the size of the triangle area is similar to the picture, it can be installed. If the difference is large, please do not buy it, otherwise it will not be installed.

High-quality Materials-Bike Disc Brake Bracket Mount Adapter is made of high-quality aluminum alloy material, which is strong and durable.

Exquisite Decoration-fine processing surface, perfect decoration for your bicycle.

A Variety of Specifications-a variety of specifications to meet the various requirements of users.

Quality Material: Tobefore bike brake kits are made of high quality stainless steel for maximum durability, safe, durable for long time use.

Easy to Install: Tobefore bike disc brake adapter is very easy to install and disassemble, without worrying about your hands-on ability is not enough. The modified bracket can convert ordinary bicycles into disc brake bicycles.

Appropriate Size: Distance between two holes: 51MM / 2.01inch. Bicycle disc brake bracket can refit normal bicycle to update into disc brake bicycle.

This FM brake adapter to allow you to mount a road flat-mount style caliper on a fork with standard 70mm flat mount disc brake mount.

This single mount will work with 140mm rotors and 160mm rotors just by flipping it over.

Compatible with 160mm and 140mm rotors,just rotate this adaptor 180 degrees to switch between the two sizes.

Premium Material: Made of superior aluminium alloy material, sturdy and durable. The high standard painting process will keep this exquisite and reliable adapter last for a long time. Weight is only 31g will never be the burden of your enjoyable riding journey.

Compatibility: Fine processing surface, perfectly decorate your bicycle. Front wheel IS to PM, 160 rotor to 180 rotor. Rear wheel IS to PM, 140 rotor to 160 rotor. There is no need to worry about burning the bicycle wheel frame when riding, and the service life of the wheel set can be greatly increased.

Practicability: When riding a bicycle, the brake will be fast, labor-saving and efficient. And for those with smaller hands, the disc brake will be easier to operate.

【Excellent quality】Made of superior aluminium alloy material, sturdy and durable.

【multiple choices】Multiple specifications, satisfy various requirement of users.

【Scope of application】Universally suitble for Mountain and Road Bike.

MUCH HELP: Excellent hardness can withstand brake wear and which makes it have longer service life, besides, the brake adapter can help you brake quickly and stably, safely and reliably.​

TOP QUALITY: The 6 Bolts Center Lock Adapter is made of high-quality aluminum alloy, with high strength, rust resistance and durability.

SMART DESIGN: The unique thread design of this center lock can effectively and directly brake the bicycle, which is easy to install, it can be installed and replaced either at the front or back.​