ZTTO 7 Speed Folding Bike Cassette 11-28T Steel + Aluminum Ultra Light Bicycle Freewheel

• [Precision Gear Shifting] This 7-speed freewheel features a rapid positioning slot technology that ensures quick and smooth gear transitions, allowing for efficient cycling performance on various terrains
• [High-Quality Materials] Crafted from a combination of high-strength steel and lightweight aluminum, this freewheel boasts excellent hardness, wear resistance, and toughness, ensuring long-lasting durability and reliable performance
• [Versatile Compatibility] Designed to fit 7-speed tower base wheelsets and compatible with P/T line original wheelsets (not for single-speed), making it a versatile choice for a variety of bike models
• [Built for Tough Conditions] Ideal for cycling in complex and challenging road conditions, this freewheel is engineered to resist rust and corrosion, enhancing its longevity and performance in all weather conditions
• [Lightweight Design] Weighing approximately 130g, this freewheel provides an excellent balance between strength and weight, ensuring your bike remains agile without compromising on performance

Specifications:

• Material: steel + aluminum
• Weight: ≈130g
• Number of teeth: 11-13-15-17-20-24-28T