RockShox Monarch Plus Service Kit

The B1 designation typically refers to Monarch Plus shocks manufactured between 2014 and 2018. You can verify your specific model by checking the serial number on the shock body against the RockShox Trailhead app or the manufacturer's online spare parts catalog.

Yes, this is a comprehensive full service kit. It includes the essential seals, O-rings, and internal components required to rebuild the damper and air spring systems, ensuring your shock returns to factory-spec performance.

Yes, servicing a rear shock requires specific tools, including a shock pump, a vice with soft jaws, and potentially a seal installation tool or damper bleed kit. If you are not comfortable working with high-pressure suspension components, it is best to have a professional mechanic perform the rebuild.

RockShox generally recommends a full service every 100 hours of riding or once a year, whichever comes first. If you ride in particularly muddy, dusty, or harsh conditions, you may need to perform this maintenance more frequently to prevent premature wear.

In most cases, yes. Air leaks are typically caused by worn-out air sleeve seals, which are included in this kit. Replacing these seals usually restores the air-holding capability of the shock, provided there is no deep scoring or damage to the shock body itself.