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GIZA PRODUCTS

Q-82 Stem Adapter

Q-82 Stem Adapter

Regular price ¥2,420 JPY
Regular price ¥2,420 JPY Sale price ¥2,420 JPY
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Item number: SKU:oty-4935012309352(-01290426)

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Overview

GIZA PRODUCTS Q-82 Stem Adapter is a conversion part that allows you to attach an ahead stem to a threaded fork. It's perfect for adjusting the position and customizing vintage bikes, chromoly bikes, and old MTBs, allowing you to update them for a modern ride feel.
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  • Product Description
  • Returns, Delivery & Shipping

GIZA PRODUCTS Q-82 Stem Adapter | Give Your Classic Ride a More Comfortable Feel

This adapter allows you to install an A-head stem on a threaded fork. Easily adjust the riding position of your vintage or classic bicycle.

You want to keep riding your favorite chromoly or old MTB for a long time. But you'd like to adjust the handlebar position a bit more. That's where the GIZA PRODUCTS Q-82 Stem Adapter comes in.

By installing it on a threaded fork (inner diameter Ø22.2mm), you can use modern A-head stems (clamp diameter Ø28.6mm).

While maintaining the classic frame aesthetic, you can choose your preferred length and angle from a wide range of A-head stems, significantly increasing your freedom to adjust the riding position. This makes it easier to customize comfort and maneuverability to your liking.

It provides a height adjustment range of 25mm and supports a maximum stem clamp height of 38mm. This practical custom part is useful for everything from updating restored vehicles to improving the comfort of everyday use.

Its lightweight and durable aluminum alloy construction is also a major appeal. Available in two colors, black and silver, it blends naturally with the aesthetic of various bikes.

 

Features

  • Allows installation of A-head stems on threaded forks (inner diameter Ø22.2mm)
  • Compatible with A-head stems with a clamp diameter of Ø28.6mm
  • 25mm height adjustment range for precise position tuning
  • Supports a maximum stem clamp height of 38mm
  • Lightweight and durable aluminum alloy construction
  • Ideal for updating vintage and classic bicycles
  • Excellent compatibility with restoration projects and custom base vehicles
  • Available in black and silver

 

SPEC

  • Model: Q-82
  • Material: Aluminum Alloy
  • Compatible Fork Inner Diameter: Ø22.2mm (threaded)
  • Compatible Stem Clamp Diameter: Ø28.6mm (A-head)
  • Maximum Installable Stem Height: 38mm
  • Height Adjustment Range: 25mm
  • Weight: Approx. 164g
  • Color: Black / Silver

 

While enjoying an old bike as it is has its charm, you often find yourself struggling with the riding position.

By using this adapter, you can choose modern A-head stems, allowing you to finely adjust the handlebar height and reach, which drastically changes the riding comfort.

This is a classic item, especially for customizing old MTBs and chromoly touring bikes. It's also great that you can update your bike without significantly altering its appearance.

It's recommended for restoration purposes, as well as for those who want to improve everyday comfort. This is a must-have part for anyone who wants to enjoy their old bicycle in line with their current lifestyle.

◆Returns and Exchanges

Please inspect your order as soon as possible after it arrives.

  • Parts, apparel, accessories, and other cycling goods may be returned or exchanged. Return and reshipping costs are covered either by the customer or by our store, depending on the circumstances.
  • Complete bicycles cannot be returned or exchanged for reasons of customer preference. We will only accept returns in the event of a product defect or damage during delivery.

View our Return and Exchange Policy


◆“In-store Stock” and “Special Order” Items

  • “In-store Stock” items are currently available at an Eirin store or in our warehouse. Each item will be inspected before being dispatched.
  • “Special Order” items are ordered from the manufacturer or an authorized Japanese distributor. After the item arrives, we conduct a final inspection before dispatch.

※If “In-store Stock” is unavailable, please select “Special Order.” We will contact you by email once the item has arrived from the supplier.
※If the manufacturer or distributor is also out of stock, the item cannot currently be purchased. Select the “Notify me when available” button to receive a restock notification.


◆From Order to Delivery

From order confirmation to delivery

※① If an item is out of stock, we will contact you by email and ask whether you would like to change or cancel the item.
※② Items cannot be added, changed, or cancelled after the order has been confirmed.
※③ Once your order has been dispatched, we will email you with the shipping confirmation and tracking number.

Customers who have not received an email from us


◆Shipping Carrier

Orders are generally shipped by Seino Transportation.
Another shipping carrier may be used depending on the contents of your order or the delivery area.


◆Pickup at Eirin Stores in Kyoto City

  • Shipping is free when you collect your order from one of our street-front stores in Kyoto City.
  • Complete bicycles generally require approximately 1-2 weeks for assembly and inspection before pickup.
  • Some parts and apparel are stored in our warehouse and may require approximately 1-5 days before they are ready for pickup.

※Due to system limitations, the following payment methods are available for store pickup orders:
Shop Pay, Credit Card, Bank Transfer, and JACCS Financing
Customers wishing to use another payment method should select standard delivery instead of store pickup.


◆Pickup at a Seino Transportation Branch

Seino Transportation branch pickup service

※Shipping for complete bicycles is free when the bicycle is collected from an eligible Seino Transportation branch.

  • This service is available only for complete bicycles. Parts, cycling goods, apparel, and accessories are not eligible.
  • For purchases under ¥55,000 including tax and excluding payment fees, the shipping charge is reduced to half of the standard rate.
  • Different charges apply to Hokkaido, Okinawa, and remote islands. These charges are still lower than residential delivery rates.

Seino Branch Pickup Details

List of Seino Transportation Branches


◆Shipping Fees

The total shipping charge for your order will be calculated automatically and displayed at checkout after you enter your delivery address.

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Store Information

■Eirin Imadegawa Kyodai-mae Annex
  • Eirin Imadegawa Kyodai-mae Annex

  • Address  Kyoto-shi, Sakyo-ku, Tanaka Sekiden-cho 2-7, Oto Royal Heights Shibunkaku Kaikan 105
    Phone  075-585-5750
    Business Hours  10:00 AM - 7:00 PM
    Closed  Closed on Wednesdays, New Year's holidays, and during the Obon festival.

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