ZTTO MTB Single Speed Cassette Cog Bicycle 1 Speed Sprocket Gear 16T-23T CNC Bike Freewheel Tensioner Bike Chain Tensioner with Derailleur Hanger

ZTTO Bicycle Single Speed Cassette & Chain Tensioner Transform your multi-speed bike into a reliable single-speed setup with this complete conversion kit. Designed for riders who value simplicity, durability, and smooth performance, this set includes everything you need for a precise and stable installation. Whether you are building a fixed gear bike, single-speed MTB, or urban commuter, this cassette and chain tensioner combo provides the perfect solution. Durable Single Speed Cassette Compatible with 6-bolt disc hubs and fits standard 10/11 speed HG hub bodies. Available in multiple sizes: 16T–23T, offering flexibility to match your riding style and terrain. Constructed from high-quality steel alloy for durability, wear resistance, and consistent power transfer. Lightweight design: approx. 90g (16T) to 120g (23T), ensuring strength without unnecessary bulk. Includes a full accessory package: lock ring, end ring, 1.8mm spacer, 4mm adapter, and 9mm adapter for easy installation. Reliable Chain Tensioner Ensures smooth chain alignment and prevents skipping, even under heavy pedaling loads. Built with a spring-loaded arm for automatic chain tension adjustment. Helps reduce wear on drivetrain components, extending the life of your chain and cassette. Easy to install and adjust, making it ideal for single-speed conversions on frames without built-in tensioning systems. Complete Conversion Solution This set allows you to convert a geared bike into a single-speed or fixed gear with ease. The special adapter secures the cassette on HG hubs, while the chain tensioner guarantees consistent performance on different frame types. Perfect for riders who appreciate a minimalist drivetrain with low maintenance needs. Why Choose This Kit? Ideal for MTB, road, commuter, and fixed-gear builds. Provides smooth, silent, and efficient power transfer. Reduces mechanical complexity and weight compared to multi-speed systems. A practical choice for training, city riding, or building a custom single-speed project. With its strong construction, complete accessories, and reliable chain tensioner, this kit is the ultimate choice for anyone looking to simplify their bike and enjoy the freedom of single-speed riding.

• 【High Compatibility】 The ZTTO Bicycle Single Speed Cassette is compatible with a wide range of bikes and hubs. It fits perfectly with 6-bolt disc hubs and is designed for use with 10/11 speed HG hub bodies, offering excellent flexibility for riders who want to upgrade their drivetrain or convert to a single speed or fixed gear setup. It’s the ideal choice for mountain bikes, road bikes, and gravel bikes.
• 【Fixed Gear Conversion】 With the included special adapters, the ZTTO cassette allows for easy conversion of your bike into a fixed gear setup. This conversion provides direct power transfer to your rear wheel, giving you a more connected and responsive ride. Fixed gear bikes offer superior control, simplified maintenance, and are perfect for urban commuters or cycling enthusiasts looking for a minimalist setup.
• 【Multiple Teeth Options】 This single speed cassette comes in multiple tooth sizes—16T, 17T, 18T, 19T, 20T, 21T, 22T, and 23T—giving riders the flexibility to choose the right gear ratio for their terrain and riding style. Whether you're tackling hilly trails or cruising on flat roads, you’ll find the perfect gear for your riding needs, providing a personalized riding experience with optimal performance.
• 【Complete Installation Kit】 Each ZTTO Bicycle Single Speed Cassette package includes everything you need for easy installation. The kit comes with a lock ring, end ring, single speed cassette, 1.8mm spacer, and adapters (4mm and 9mm). With this complete setup, you won’t need to buy any extra parts, saving you time and money while ensuring hassle-free installation.
• 【Durable and Lightweight】 Crafted from high-quality materials, the ZTTO single speed cassette is built to last while maintaining a lightweight design. The lightweight nature of this cassette reduces overall bike weight, making it ideal for riders who want to maximize performance. The integrated chain tensioner ensures smooth operation by keeping your chain aligned, preventing chain drops and enhancing durability on rugged rides.