Avid Post Bracket
Post Bracket
Post Bracket
Post Bracket
Post Bracket
Avid

Avid Post Bracket

In Stock

Avid Post Bracket post-mount disc brake adaptor with stainless caliper bolts—lets you fit different rotor sizes (R170 / 160–200mm variants) cleanly and securely on post-mount frames and forks.

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Available Options

Option Price Availability
Avid, Post Bracket, 30 P (Rear 170), Includes Stainless Caliper Mounting Bolts (CPS & Standard) — In Stock
Avid, Post Bracket, 40 P (Front 200/Rear 180), Includes Stainless Bracket Mounting Bolts — In Stock
Avid, Post Bracket, 20 P (Front 180/Rear 160), Includes Stainless Caliper Mounting Bolts (CPS & Standard) — In Stock
Avid, Post Bracket, Disc Brake Adaptor, Caliper: Post mount, Frame/Fork: Post mount, F180/R160, Rainbow — In Stock
Avid, Post Bracket, Disc Brake Adaptor, Caliper: Post mount, Frame/Fork: Post mount, F200/R180, Rainbow — In Stock
Avid, Post Bracket, Disc Brake Adaptor, Caliper: Post mount, Frame/Fork: Post mount, R220 — In Stock
Avid, Post Bracket, Disc Brake Adaptor, Caliper: Post mount, Frame/Fork: Post mount, F180/F160, 00.5318.007.009 — In Stock
Avid, Post Bracket, Disc Brake Adaptor, Caliper: Post mount, Frame/Fork: Post mount, F200/F220 — In Stock

Product Details

Overview & Technology

Avid Post Bracket (00.5318.007.000) is a purpose-built post-mount disc brake adaptor designed to convert or extend post-mount caliper positions for a range of rotor sizes. Supplied with stainless steel caliper mounting bolts, this bracket ensures corrosion resistance at the critical hardware interface and precise alignment for consistent braking performance. The adaptor is machined from high-strength alloy and finished for durability, delivering stiff, repeatable caliper positioning under heavy use. Available in multiple variants for rear and front applications (including 20P, 30P, 40P and rainbow-anodized finishes), the Avid bracket works with SRAM/Avid systems and most post-mount frames and forks to accommodate rotor sizes from 160mm up to 200mm depending on the variant.

Key Features & Benefits

Robust mounting hardware: each bracket ships with stainless caliper mounting bolts—compatible with CPS and standard mounting threads—reducing corrosion and simplifying installation. The included hardware ensures you have the correct fasteners on hand for a secure setup. Precision fit and consistent braking: the bracket's tight tolerances maintain caliper alignment and pad-to-rotor clearance, reducing noise and uneven pad wear. Choosing the correct variant lets you upgrade rotor diameter for improved stopping power or heat dissipation on demanding mountain terrain. • Stainless caliper bolts included (CPS & standard where applicable) • Multiple rotor offset variants: F200/R180, F180/R160, R170 (model dependent) • High-strength alloy construction for stiffness and low weight • Compatibility with Avid/SRAM post-mount calipers

Fit, Compatibility & Installation

The Avid Post Bracket is designed for post-mount calipers and post-mount frames or forks—check the variant to match the rotor sizes you intend to run (for example, 30P = Rear 170mm, 40P = Front 200/Rear 180mm, 20P = Front 180/Rear 160mm). Most modern post-mount frames and forks accept these brackets without adapters, but always confirm the rotor size / adapter mapping for your frame/fork before ordering. Installation is straightforward: remove caliper, mount bracket to frame/fork post bosses using the supplied stainless bolts, refit caliper and center over rotor, then torque to manufacturer specs. Shipping dimensions are compact (6.8" x 4.5" x 1.4") and weight is light (0.2 lb), making it an easy, low-mass upgrade to change rotor size or adapt an existing caliper to a different position.

Who It's For

This adaptor is for mountain bikers, mechanics and enthusiasts who need to change rotor size or re-position a post-mount caliper without replacing the caliper or frame hardware. Ideal for riders upgrading to larger rotors for better heat management on long descents, or for those running mixed rotor setups between fork and rear triangle. If you race, ride technical trails, or carry heavier loads on long descents where braking power and consistency matter, the Avid Post Bracket offers a low-cost, reliable way to tune your braking system to the demands of your riding style.

Key Features

  • ✓ Includes corrosion-resistant stainless caliper mounting bolts (CPS & standard)
  • ✓ Available variants cover rotor sizes from 160mm to 200mm
  • ✓ Precision-machined alloy construction for stiffness and low weight
  • ✓ Direct post-mount fit for most modern frames and forks
  • ✓ Compatible with Avid / SRAM post-mount calipers and hardware
  • ✓ Rainbow-anodized options available for corrosion resistance and style
  • ✓ Compact shipping size and light 0.2 lb unit weight

Specifications

Caliper mount Post mount
Frame/Fork mount Post mount
Hardware Yes
Rotor in mm R170

Product Identifiers

Vendor Item # 00.5318.007.000
UPC 710845714429

Frequently Asked Questions

What rotor sizes does this bracket support?

It depends on the variant you choose. Available variants include configurations for R170 (rear 170), F180/R160, and F200/R180. Check the variant listing to match the bracket to the rotor sizes you plan to run.

Will this fit my frame or fork?

The Avid Post Bracket is made for post-mount calipers and post-mount frame/fork bosses. If your frame or fork uses post mounts, the bracket will bolt on—verify rotor mapping for your specific frame/fork to ensure proper clearance and alignment.

Are mounting bolts included?

Yes. This product includes stainless steel caliper mounting bolts. Some variants also include stainless bracket mounting bolts. The hardware is compatible with CPS and standard mounting threads where specified.

Do I need any special tools to install it?

No special tools beyond common bike tools are required. A torque wrench, appropriate hex keys (typically 5mm or 6mm), and a rotor truing tool or pad centering procedure are recommended to ensure proper torque and alignment.

Can I use this to upgrade to a larger rotor for better braking?

Yes. The primary purpose of these adapters is to change caliper position to accommodate larger rotors or different rotor pairings, which can improve braking power and heat dissipation on long descents.

Is this compatible with other brands of calipers?

The bracket is intended for post-mount calipers and will generally work with other brands that use standard post-mount spacing (Avid/SRAM, Shimano, etc.). Always confirm caliper post spacing and bolt thread compatibility before installing.

Buying Guide

When choosing a post-mount disc brake adaptor, start by identifying the rotor sizes you want front and rear. Match the adaptor variant to those rotor sizes and confirm your frame/fork uses post-mount bosses. Prioritize brackets that include stainless hardware to avoid corrosion, especially if you ride in wet or salty conditions. Also consider whether you want a standard anodized finish or a rainbow/anodized variant for extra corrosion resistance and visual flair. Finally, check caliper post spacing and mounting bolt thread sizes—most post-mount calipers are compatible, but confirming before purchase prevents surprises during installation.

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