Wheels Manufacturing Dropout 134
Dropout 134
Dropout 134
Wheels Manufacturing

Wheels Manufacturing Dropout 134

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Direct-replacement derailleur hanger (#134) for Look road frames. CNC-machined aluminum with exact-fit geometry — bolt-on swap restores shifting and protects your frame.

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Product Details

Overview & Technology

Wheels Manufacturing Dropout 134 is a precision replacement derailleur hanger made to match the factory geometry for Look road frames. Identified as #134 (Manufacturer Part #: DROPOUT-134, Product Number: 270426), this dropout is designed to align the derailleur exactly where the manufacturer intended, preserving shifting accuracy and drivetrain life. Construction uses CNC-machined aluminum for tight tolerances and a consistent mating surface with the frame. The lightweight design (shipping weight ~0.05 lb) keeps mass low while delivering the stiffness needed for crisp, reliable shifting under load.

Key Features & Benefits

Precision fit — CNC machining reproduces the original Look hanger geometry so indexing and chainline remain correct after replacement. That means fewer adjustments and better shifting performance out of the box. Frame protection & replaceability — a bolt-on hanger sacrifices itself to prevent damage to the frame in a crash or tip-over. Replacing the hanger is a low-cost way to avoid expensive frame repairs and get you back on the road fast.

Fit, Compatibility & Installation

This part is the direct replacement for Look frames that use the #134 hanger pattern. Use the Wheels Manufacturing product number (270426) or Manufacturer Part # DROPOUT-134 when confirming fit with your frame or local shop. Shipping dimensions are compact at 2" x 3" x 0.3", and the hanger ships with the single-piece dropout as shown in the product listing. Installation is straightforward: remove the old hanger, mount the new dropout in the same orientation, and torque hardware to your frame manufacturer's specifications. For best long-term performance, check hanger alignment with a derailleur hanger alignment tool after installation.

Who This Hanger Is For

This hanger is for road cyclists who own Look-branded frames and need a direct replacement or spare. It's ideal for riders who want an exact OEM-style fit without the wait or expense of sourcing an original factory part. Mechanics, home wrenchers, and bike shops will appreciate the consistent tolerance and interchangeability — fitment is predictable, making this a reliable spare to keep in your workshop or travel kit.

Key Features

  • ✓ Direct-replacement #134 hanger for Look frames — correct OEM geometry
  • ✓ CNC-machined aluminum body for consistent tolerances and reliable shifting
  • ✓ Lightweight design keeps overall bike mass low at approximately 0.05 lb
  • ✓ Bolt-on replaceable hanger protects frame in crashes or drops
  • ✓ Easy installation — swaps into frame using existing mounting hardware
  • ✓ Recommended to check alignment with a hanger alignment tool after install
  • ✓ Part number 270426 (Manufacturer Part #: DROPOUT-134) for accurate ordering

Specifications

Misc #134, Look

Product Identifiers

Vendor Item # DROPOUT-134
UPC 836572006597

Frequently Asked Questions

How do I know this hanger fits my Look frame?

Check your frame's hanger number or compare the shape to your existing hanger. This item is Wheels Manufacturing Dropout #134 specifically made to match Look frames that use the #134 pattern. When in doubt, send a photo to our tech support or confirm with your local mechanic using the part number 270426.

What material is the Dropout 134 made from?

The dropout is CNC-machined from high-grade aluminum alloy for precise tolerances and light weight. The finish provides corrosion resistance and consistent mating surfaces for the derailleur mounting bolt.

Can I install this hanger myself?

Yes — installation is typically a simple bolt-on swap using the frame's existing hardware. Tighten bolts to your frame manufacturer's recommended torque and then verify derailleur alignment with an alignment gauge to ensure optimal shifting.

Does the hanger come with mounting hardware?

This listing is for the Dropout 134 hanger itself; mounting hardware may not be included. If bolts or shims are required, use the original hardware or pick up a compatible hanger bolt kit. Check the product page or contact us if you need replacement bolts.

Why replace a hanger instead of trying to bend it back?

Derailleur hangers are designed to fail or deform to protect the frame. Repeatedly bending an already stressed hanger can weaken it and lead to failure. Replacing it restores proper geometry and safer, more reliable shifting.

Should I check anything after installing the new hanger?

Yes — after installation, check derailleur hanger alignment and test shifting through the full cassette. Use a derailleur hanger alignment tool if you have one, and confirm torque on the mounting bolts per manufacturer specs.

Buying Guide

When buying a replacement derailleur hanger, confirm the hanger pattern number and compare the silhouette to your current piece. Use the part number (270426 / DROPOUT-134) or the #134 designation when searching; this ensures the new hanger reproduces the original geometry for flawless indexing. Consider keeping a spare hanger in your toolkit — they're inexpensive, light, and can get you back on the road after a fall without risking frame damage. After installation, always verify alignment with a hanger gauge and follow your frame manufacturer's torque recommendations.

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