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Nitto MTC-01 Quill Stem Adapter

Nitto MTC-01 Quill Stem Adapter

Nitto MTC-01 Stem Adapter converts 22.2mm quill steerer setups for 25.4mm stem use, with aluminum construction, 130mm length and made in Japan.

NT$1,480
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The Nitto MTC-01 Stem Adapter is a practical adapter for riders who want more flexibility when matching stems and handlebars to an existing frame and fork setup.


On vintage steel bikes, older restorations or bikes with specific standards, it is common to find a handlebar or stem style you like that does not match the original fork specification. The MTC-01 allows a 22.2mm quill steerer setup to be adapted for 25.4mm stem use, making it possible to change the cockpit setup without replacing the frame or fork.


This adapter is especially useful for riders who want to update a traditional threaded fork setup or use different handlebar styles on a vintage frame. Depending on compatibility, it can help support cockpit setups with flat bars, drop bars, bullhorn bars or other handlebar choices commonly used on city and single speed bikes.


The MTC-01 is made from aluminum alloy with a clean silver finish that pairs well with steel frames, vintage builds and classic component styles. It has a 130mm length and weighs approximately 170g. Made in Japan, it reflects Nitto’s well-known metal component quality and refined finishing.


If you are restoring an older bike, adjusting your cockpit setup or want to use a preferred stem and handlebar style without replacing the frame, the Nitto MTC-01 Stem Adapter is a practical solution.


⚠️ Please note: this product includes one stem adapter only. Stem, handlebar, fork, headset and display props are not included.
⚠️ Before purchase, confirm your fork specification, stem compatibility and required installation height.
⚠️ This product uses 25.4mm / 22.2mm specifications. Please check your bike’s actual dimensions before installation.
⚠️ Stem and adapter installation affects riding safety. Professional installation, tightening and inspection are recommended.
⚠️ After installation, make sure the adapter, stem and handlebar are securely fixed to prevent loosening or slipping.



Key Features

  • Helps adapt stem and fork standards for more cockpit flexibility
  • Suitable for vintage steel bikes, restorations and special-standard frames
  • Allows cockpit changes without replacing the frame or fork
  • Useful for matching different stem and handlebar styles
  • Aluminum alloy construction for practical everyday durability
  • Clean silver finish suits classic and vintage bike builds
  • Made in Japan with Nitto’s refined metal component quality



Specifications
Brand: Nitto
Product Name: MTC-01 Stem Adapter
Material: Aluminum Alloy
Color: Silver
Length: 130mm
Specification: 25.4mm / 22.2mm
Weight: 170g
Included: One Stem Adapter
Made in: Japan

There is no additional details for this product.

Delivery Options

  • 7-11 Pickup only (C2C)
  • 7-11 Pickup and pay in store (C2C)
  • Family Mart Pickup only (C2C)
  • Family Mart Pickup and pay in store (C2C)
  • 新竹物流
  • International Shipping(DHL/FedEX/EMS/OCS)
  • Tcat - Room Temp.

Payment Options

  • Credit Card
  • Pay on 7-11 Store Pickup (C2C)
  • Pay on Family Mart Store Pickup (C2C)
  • PayPal Express
  • Bank Transfer
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