Nitto MT Stem Column Adaptor 1-1/4″ Threaded Fork to 1-1/8″ Threadless Stem

Description

Upgrade your cycling setup with the Nitto MT Stem Column Adaptor – a premium solution engineered for seamless compatibility between threaded forks and modern 1-1/8″ threadless stems. Crafted from high-quality cold-forged aluminum, this adapter offers exceptional durability, lightweight performance, and a secure, knurled clamp surface that ensures a firm grip under demanding riding conditions.

Materials & Construction:

Made from precision cold-forged aluminum, the Nitto MT Adapter guarantees strength, reliability, and corrosion resistance. Its knurled clamp surface provides superior grip, preventing slippage during intense rides or challenging terrain.

Performance & Engineering:

Designed specifically to convert a 1-1/4″ threaded fork steer tube to accept a 1-1/8″ threadless stem, this adapter offers a practical upgrade for vintage bikes and custom builds. The adapter’s 130mm height adds approximately 25mm rise when used with a 1-1/8″ headset spacer, providing versatility to fine-tune your cockpit height for optimal comfort and handling.

Components & Technology:

Features include a minimal insertion depth of 58mm for quick installation, compatibility with 28.6mm diameter steer clamps and quill insertion points, and a precise fit for 1-1/8″ steer tubes. Its cold-forged construction ensures a consistent, high-strength component capable of withstanding rigorous riding conditions.

Style & Use Case:

Ideal for vintage bicycle restorations, custom builds, or upgrading older bikes, the Nitto MT Adapter combines classic craftsmanship with modern engineering. Whether you’re restoring a classic road bike or enhancing a mountain bike with a new stem, this adaptor provides a clean, professional look while maintaining top-tier performance.

Innovative & Differentiating Features:

Unlike generic adapters, Nitto’s cold-forged aluminum ensures superior strength-to-weight ratio and durability. The knurled clamp surface adds a trusted, slip-resistant grip, making it a reliable choice for serious cyclists demanding precise handling and long-lasting performance.

Key Specifications:

– Quill Insertion Diameter: 28.6mm (1-1/8″)

– Minimum Insertion to Clamp Surface: 58mm

– Steer Clamp Outer Diameter: 28.6mm

– Height: 130mm (with approx. 25mm rise using an 1-1/8″ spacer)

Enhance your bike’s versatility and performance with the Nitto MT Stem Column Adaptor – engineered for stability, style, and seamless compatibility across your riding adventures.

• Enhance your bicycle’s steering stem compatibility with the Nitto MT Column Adaptor, crafted from durable cold-forged aluminum for superior strength and lightweight performance.
• Designed to convert 1-1/4″ threaded forks to 1-1/8″ threadless stems, offering seamless upgrade options for classic and vintage bikes.
• Features a knurled clamp surface for a secure, slip-resistant grip, ensuring reliable handling and safety during intense cycling sessions.
• Includes a 130mm tall design with approximately 25mm rise when used with a 1-1/8″ headset spacer, providing ergonomic adjustments for personalized riding position.
• Precision-engineered with minimal insertion depth (58mm to clamp surface) and a 28.6mm steer clamp diameter, making installation quick and ensuring optimal compatibility with various fork and stem setups.