ALTA HANDLEBAR SHIM 28.6mm TO 31.8mm ALLOY SILVER – OVERSIZE STEM ADAPTER BMX MTB CRUISER.

Upgrade your bike setup with this Alloy Handlebar Shim, designed to convert 28.6mm handlebars to fit 31.8mm oversized stems. Perfect for modern compatibility upgrades and custom builds.

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🛠️ Specifications

• Product Type: Handlebar Shim / Adapter
• Compatibility: 28.6mm to 31.8mm
• Size: 45mm Length
• Material: Alloy
• Color: Silver
• Brand: Alta

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✨ Key Features

• ✔ Oversize Conversion Fit
  Converts 28.6mm (1-1/8”) handlebars to 31.8mm (1-1/4”) stems
• ✔ Lightweight Alloy Construction
  Strong, durable, and corrosion-resistant
• ✔ Precision Machined Fit
  Ensures a tight, secure clamp with no movement
• ✔ Clean Silver Finish
  Matches chrome and polished components perfectly
• ✔ Easy Installation
  Simple insert design for quick upgrades

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🚲 Perfect For

• BMX bikes
• MTB upgrades
• Cruiser builds
• Fixie / track bikes
• Custom and retrofit setups

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📦 What You Get

• 1 Pair (2 Pieces) Handlebar Shims

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⚠️ Important Notes

• Designed for 28.6mm handlebars fitting into 31.8mm stems only
• Not compatible with other sizes
• Always ensure proper tightening for safe use

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💎 Final Touch

A simple but essential upgrade that allows you to use modern oversized stems with mid-size handlebars, expanding your build options without replacing key components.