Wheels Manufacturing Dropout 239
Dropout 239
Dropout 239
Wheels Manufacturing

Wheels Manufacturing Dropout 239

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Direct replacement DROPOUT-239 derailleur hanger for Felt frames — precision CNC-machined aluminum with OEM-fit geometry and corrosion-resistant finish for reliable shifting.

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Product Details

Overview & Technology

Wheels Manufacturing Dropout 239 is a direct-fit replacement derailleur hanger made specifically to match Felt frames using the #239 hanger spec. Designed as a lightweight, sacrificial mounting point for your rear derailleur, this hanger restores factory geometry after damage and keeps shifting crisp. Manufacturing and materials: the Dropout 239 is precision CNC-machined from a high-strength aluminum alloy and finished with a corrosion-resistant anodize for long service life. The controlled tolerances ensure repeatable derailleur alignment and a secure mounting interface that mirrors the original Felt specification.

Key Features

Built for reliability and easy replacement. The Dropout 239 focuses on the essentials: accurate alignment, predictable failure behavior, and low weight. Its machined face and bolt hole pattern match Felt's frame points so installation is straightforward. • Precision CNC construction for repeatable derailleur alignment and consistent shifting performance. • Corrosion-resistant finish to withstand road conditions and salt spray. • Lightweight, low-profile design that preserves rear triangle clearance and aesthetics. • OEM-spec fit — engineered to replace Felt's #239 hanger directly.

Fit & Compatibility

The Dropout 239 is specifically listed as the replacement for Felt frames that use the manufacturer's #239 derailleur hanger. Use the Frame Manufacturer part number (Felt #239) or Wheels Manufacturing reference (DROPOUT-239 / 270574) to confirm compatibility before ordering. Practical details: the hanger ships as a single unit sized for Felt's dropout geometry and is intended to be mounted with the frame's original hardware or the included stainless steel bolt when supplied. Always check wheel and derailleur clearance after installation and verify alignment with a hanger gauge if available.

Who This Hanger Is For

If you own a Felt road or gravel bike that lists hanger #239, this Dropout 239 is the replacement part to get you back on the road quickly. It's ideal for riders who need an exact-fit spare, those repairing crash damage, or bike shops stocking common Felt hangers. This hanger suits road, endurance and light gravel use where precise shifting and low weight matter. It’s also a smart addition to your toolkit as a sacrificial part that protects the frame and derailleur in impacts.

Key Features

  • ✓ Direct replacement for Felt frames using hanger spec #239
  • ✓ CNC-machined aluminum alloy for precise alignment and strength
  • ✓ Anodized, corrosion-resistant finish for long-term durability
  • ✓ Low-profile, lightweight design preserves rear triangle clearance
  • ✓ Engineered as a sacrificial fail point to protect frame and derailleur
  • ✓ Easy bolt-on installation — designed to match OEM geometry

Specifications

Misc #239, Felt

Product Identifiers

Vendor Item # DROPOUT-239
UPC 811079021731

Frequently Asked Questions

How do I know if this hanger fits my Felt bike?

Check your frame documentation or the hanger imprint for Felt #239. You can also compare the shape and mounting hole pattern to your current hanger. If in doubt, measure or send photos to our fit team for confirmation.

Is a mounting bolt included with the Dropout 239?

Wheels Manufacturing typically ships hangers with a compatible stainless steel mounting bolt when required. If you need a specific hardware length or thread, confirm in the product notes or contact Forest Bikes before ordering.

Can a bent hanger be straightened, or should I replace it?

Minor bends can sometimes be straightened, but repeated correction weakens the hanger and risks misalignment. For reliable shifting and safety, replacement with a new Dropout 239 is recommended when damage is visible or shifting is inconsistent.

What material is the hanger made from?

The Dropout 239 is precision CNC-machined from a high-strength aluminum alloy and finished with an anodized coating for corrosion resistance. This combination balances light weight with the predictable sacrificial behavior you want in a hanger.

How do I install the replacement hanger?

Installation is bolt-on: remove the rear wheel, unbolt the old hanger, fit the Dropout 239 in frame location and torque the mounting bolt to the frame manufacturer's recommendation. After installation, check derailleur alignment and adjust indexing as needed.

Should I keep a spare derailleur hanger on hand?

Yes—hangars are inexpensive, frame-specific parts that can save a ride or a repair. Carrying a spare Dropout 239 or keeping one in your toolbox reduces downtime after crashes or transport damage.

Buying Guide

When replacing a derailleur hanger, the most important factors are exact fit and correct geometry. Start by confirming your frame's hanger number (in this case Felt #239) and compare the hole pattern, overall shape and mounting interface. OEM-spec replacement hangers like Wheels Manufacturing's Dropout 239 are machined to match factory tolerances so your derailleur alignment remains correct. Consider materials and finish: CNC-machined aluminum hangers balance low weight with predictable sacrificial failure, and an anodized coating helps resist corrosion. Keep a spare hanger on hand — they’re inexpensive insurance that can save a race or ride after a crash or transport mishap.

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