Bicycle Flywheel Puller / Flywheel Key Key benefits Removes 12-tooth flywheels quickly and precisely — fits exactly and saves time. Durable construction for long-term use — built to withstand repeated removals during maintenance and modifications. Simple, convenient operation — designed for fast, reliable results in minutes. What it does Pulls off flywheels that use a 12-tooth design, allowing safe removal without damage to the flywheel or hub. Serves as a flywheel key/tool for bike modification parts and routine servicing. Compatibility and specifications Intended only for flywheel-type systems; compatible with 12-tooth flywheels. Exact 12-tooth engagement ensures a secure fit and reliable extraction. Made from a durable material for repeated use (original product specification: material for durable use). Performance and advantages Precise fit minimizes slippage and reduces the risk of stripping teeth. Fast operation: remove or replace the flywheel in minutes, cutting repair and upgrade time. Portable and easy to handle during on-bike maintenance or shop use. Practical use scenarios Routine maintenance: quickly remove a 12-tooth flywheel to inspect or service bearings, seals, or the hub. Upgrades and modifications: detach the flywheel when installing aftermarket parts or changing gear setups. Emergency roadside repair: compact and simple to use for fast flywheel removal during field repairs. What to expect A tool specifically designed for 12-tooth flywheel systems only; verify your flywheel type before use. Reliable, time-saving performance when used as a flywheel puller/ flywheel key for bicycle repair and modification.