Shimano R8101 Ultegra Cassette 12-Speed 11-30T

★★★★★ 5.0 20 reviews

$127.00
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$127.00
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Free shipping Free 30-day returns

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Management number 210370213 Release Date 2026/04/02 List Price $50.80 Model Number 210370213
Category

Enhance your cycling performance with the CS-R8101 12-Speed Cassette - a precision-engineered component designed for competitive riders and serious enthusiasts. Crafted from materials, this silver 11-30t cassette combines durability, lightweight construction, and optimal efficiency to elevate your riding experience. Materials & Construction: Built with robust steel cogs and heat-treated components, the CS-R8101 ensures long-lasting durability even under intense riding conditions. Its sleek silver finish not only provides a stylish look but also resists corrosion, maintaining its performance over time. Performance & Engineering: Featuring a refined 12-step gear combination, this cassette facilitates seamless gear transitions across diverse terrains. The larger driving cogs enhance drivetrain efficiency, offering maximum power transfer and minimizing energy loss. Weighing approximately 291 grams, this lightweight design reduces rotational inertia, enabling quicker acceleration and more responsive handling. Components & Technology: Equipped with 's innovative HYPERGLIDE+ technology, the CS-R8101 delivers faster, smoother shifts both up and down the gear range, even under maximum pedaling force. Its compatibility with both 12-speed and traditional 11-speed freehub bodies ensures versatile application across a wide range of road bikes. Style & Use Case: Perfect for road racing, endurance rides, and aggressive training, this cassette provides a versatile gear range of 11-30 teeth, allowing you to conquer steep climbs and maintain high speeds on flat sections effortlessly. Its sleek silver aesthetic complements any high-performance road bike, blending style with function for serious cyclists. Key Features: - Compatible with HG 11/12-Speed Road freehub bodies - Precise 12-speed gear steps for peak efficiency and rapid acceleration - Larger cogs optimize drivetrain performance - Seamless shifting te

  • Unmatched 12-speed performance with HYPERGLIDE+ technology ensures lightning-fast, seamless gear shifts during demanding climbs and sprints for improved riding efficiency.
  • Constructed with high-strength alloy and precision engineering, this cassette delivers durability and lightweight performance, ideal for serious road cyclists seeking reliable durability on every ride.
  • Compatible with both 12-speed and 11-speed freehub bodies, offering versatile upgrade options for modern road bikes without additional modifications.
  • Optimized gear ratios from 11 to 30 teeth provide a broad range for versatile riding situations, from steep climbs to high-speed descents, enhancing your overall cycling versatility.
  • Sleek silver finish combined with innovative cogs design not only enhances aerodynamic performance but also adds a stylish, professional look to your drivetrain setup.
UPC 192790849898
Color Silver
Brand Name SHIMANO
Unit Count 1.0 Count
Item Weight 13.6 ounces
Manufacturer Shimano
Model Number CS-R8101
Material Type Multi
Included Components Cassettes
Warranty Description Limited Warranty
Manufacturer Part Number ICSR810112130
Item Dimensions L x W x H 10"L x 8"W x 2"H

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