Ritchey WCS Seat Mast Topper: 25mm Offset 70 x 34.9mm Black

★★★★★ 4.9 94 reviews

$56.97
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$56.97
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Free shipping Free 30-day returns

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Management number 210336663 Release Date 2026/04/02 List Price $22.79 Model Number 210336663
Category

Upgrade your bike's cockpit setup with the Ritchey Seat Mast Topper: 25mm Offset, 70mm Length, 34.9mm Diameter - Black. Engineered for precision and performance, this , lightweight aluminum seat mast topper offers customizable adjustments to optimize comfort, aerodynamics, and handling on your road or mountain bike. Materials & Construction Crafted from durable, 3D forged aluminum, the Ritchey Mast Topper delivers superior strength-to-weight ratio, ensuring reliable performance even on demanding rides. Its sleek black finish adds a modern, professional look to your bike's aesthetic. Performance & Engineering Designed specifically for frames with integrated seat masts, this topper features a 25mm setback to fine-tune your saddle position for optimal riding posture. The 70mm length provides versatile adjustment options, while the 34.9mm diameter fits standard integrated seat mast sizes, ensuring a perfect fit. The 3D forging process enhances structural integrity and consistency, providing confidence during high-performance cycling. Components & Technology The SideBinder 1-bolt fore/aft and tilt adjustable clamp system allows precise saddle positioning with effortless one-bolt operation, simplifying cockpit tuning. The interface is compatible with 1-bolt alloy clamp kits (sold separately), and interchangeable clamps are available for various carbon rail sizes, accommodating a wide range of saddle options. Style & Use Case Featuring a sleek black finish and minimalist design, the Ritchey Mast Topper complements any bike frame with integrated seat masts, making it ideal for road racing, endurance riding, or mountain biking. Its adjustable design enhances rider comfort and aerodynamics, helping you to achieve a custom cockpit setup tailored to your riding style. Innovative & Differentiating Features - Fully adjustable fore/aft and tilt with SideBinder technology for superior fit customization - Precision 3D forged aluminum body for increased durability and li

  • Enhance your cockpit setup with the Ritchey Seat Mast Topper featuring a precise 25mm offset for optimal saddle positioning and rider comfort.
  • Constructed from lightweight yet durable 3D forged aluminum alloy, ensuring superior strength, corrosion resistance, and longevity under demanding cycling conditions.
  • Designed for integrated seat masts with a 34.9mm diameter, this seat topper offers seamless compatibility with round seat masts and interchangeable clamps for versatile use across different carbon rail sizes.
  • Featuring the SideBinder 1-bolt system for easy fore/aft and tilt adjustments, allowing you to fine-tune your saddle angle for personalized fit and improved cycling efficiency.
  • Ideal for performance-oriented road and mountain bikes with integrated seat masts, this sleek black Seat Mast Topper combines innovative engineering, style, and functionality to elevate your bike's cockpit and riding experience.
UPC 796941413336
Color Black
Bike Type Mountain Bike
Brand Name Ritchey
Unit Count 1.0 Count
Item Weight 0.22 Pounds
Manufacturer Ritchey
Model Number 210158
Material Type Aluminum
Included Components Seatpost Part
Warranty Description Limited Warranty
Item Dimensions W x H 1.37"W x 2.76"H
Manufacturer Part Number 41-239-257

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4.9 out of 5
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94 ratings | 39 reviews
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