Bike Chain Retainer Virtual Flywheel 12mm Axle

Details

• Simulates Real Riding: This virtual flywheel mimics a working cassette, allowing you to shift gears and test derailleur alignment without the rear wheel installed, making maintenance and adjustments significantly easier.
• Protects Your Frame: Designed to secure the chain during transport or storage, this tool prevents the loose chain from slapping against and scratching your bike frame, keeping your paintwork pristine.
• Compatibility: Supports both 12mm thru-axles and quick-release systems; compatible with hub widths of 130, 135, 142, 148, and 157mm, making it suitable for most road and mountain bikes.
• Build : Crafted from high-strength aluminum alloy with CNC machining, this lightweight (120g) tensioner features smooth chamfers and a for durable black finish for long-lasting performance.
• Compact & Portable: Measuring approximately 13.5 x 4.8 x 4.8 cm, this chain holder comes in a protective case, making it an essential, space-saving addition to any cyclist's repair kit or travel bag.