Hayes Mount Adaptor Front Post to IS - 20mm

★★★★★ 4.7 20 reviews

US$6.40
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US$6.40
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Free shipping Free 30-day returns

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Management number 236545797 Release Date 2026/07/09 List Price US$6.40 Model Number 236545797
Category

HAYES MOUNT ADAPTOR – FRONT POST TO IS

Warning: California Proposition 65 

https://planet-cyclery.myshopify.com/pages/warning-california-proposition-65

The Hayes Front Post to IS Mount Adaptor allows you to mount a 74mm post-mount caliper (e.g., Hayes, Avid, etc.) onto a 51mm International Standard (IS) fork mount (e.g., RockShox, Marzocchi, etc.). Designed for precise fitment and secure braking performance, this adaptor ensures compatibility across different fork setups.

KEY FEATURES

VERSATILE COMPATIBILITY: Enables mounting of 74mm post-mount calipers to 51mm IS forks.
TWO OPTIONS AVAILABLE:

  • QR AXLE FORKS: Requires a thinner QR adaptor.
  • 20MM BOLT-THROUGH FORKS: Requires a thicker mount.
    DURABLE & RELIABLE: High-quality construction for strong and consistent braking performance.
    EASY INSTALLATION: Simple bolt-on design for a secure fit and hassle-free setup.
    COMPATIBLE WITH MULTIPLE BRANDS: Works with Hayes, Avid, and other post-mount disc brake calipers.

SPECIFICATIONS

MOUNT TYPE: Front Post Mount to IS Fork
COMPATIBLE FORK TYPES:

  • Quick Release Axle Forks (requires thinner QR adaptor)
  • 20mm Bolt-Through Forks (requires thicker mount)
    CALIPER COMPATIBILITY: 74mm post-mount disc brake calipers
    MATERIAL: Precision-machined aluminum
    INSTALLATION: Bolt-on for a secure fit

A must-have upgrade for riders switching brake standards, the Hayes Front Post to IS Mount Adaptor ensures seamless compatibility and optimal braking performance on your mountain bike setup!


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