Part Name：Hydraulic Piano Fallboard Decelerator
Brand：RydSuns
Location：Keyboard Side Panel
Product Material：Aluminum Alloy
Color：Black
Fitment：This soft-close fallboard decelerator is designed for most upright pianos with a lid opening angle greater than 90° and a clearance of over 2.5cm between the lid and keyboard

Installation Guide：
Step 1: Open the piano lid and position the device at the center of the wooden panel on the left side of the keyboard—ensure it's vertically aligned.
Step 2: Hold it gently in place. Close the lid to test the closing speed.
# If too slow, push the device further inward until the wheel touches the lid, retest.
# If too fast, pull the device outward toward the edge, retest.
Step 3: Once the speed is ideal, remove the adhesive film and stick it in place.
Step 4: Stick the metal guide plate along the path of the wheel to protect the lid surface.

Include Packing：
1x Soft Close Device
1x Metal Guide Plate

Advantage：
Adaptive Motion Damping
The built-in hydraulic buffer adjusts automatically to different lid weights, ensuring consistent soft-closing behavior regardless of piano type or user strength.
Child-Friendly Design
Specifically engineered with families in mind, it adds a critical safety layer for households with curious toddlers or young learners at the piano bench.
No Sound, No Distraction
Ideal for practice or recording sessions—its silent descent helps maintain concentration and supports a professional-grade acoustic environment.
Paint & Finish Safe
The adhesive surface is lab-tested for piano-safe finishes, avoiding peeling, discoloration, or residue even after long-term attachment.
Compact & Unobtrusive Form
Slim profile and neutral tone let it blend in discreetly with the piano's aesthetics, without affecting the visual appeal of your instrument.
Reduces Long-Term Maintenance
Minimizes wear on internal hinges and structural joints caused by repetitive impact, effectively lowering the need for technician adjustments over time.
Fast Setup for Non-Experts
No piano knowledge or tools needed—installation can be done solo in minutes, making it beginner-friendly and ideal for new piano owners.
Trusted by Educators & Institutions
Popular among music schools and piano teachers for its durability and student-safe design—built to withstand high-frequency use in shared spaces.