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Product Overview
The SPEEDGEAR X2 LARGE is specifically designed for select Chamberlain Belt Drive openers with 16-tooth gears (Part# 041C1751). This modification doubles your door operation speed while ensuring smooth and reliable movement.
Compatibility
LM 84505R, LM 84501
CH B970, B970C
CH B6765
CH B750, B750C
CH B980, B980C
CH HD950WF, HD950WFC
CH LW9000WF, LW9000WFC, WD1000WF, WD1000WFC
CH HD750WF, HD750WFC, LW6000WF, LW6000WFC
CH HD930EV, HD930EVP
CH B4545T, B1381, WD850KEV
CH B6713T, B6753T, B4603T, B6765T, B4613T, B4643T, B373
Installation Requirements
Installation typically takes 30-45 minutes and requires the following tools:
½-inch open-end wrench
Needle-nose pliers
¼-inch screwdriver
Optional: Vise grip
What's Included
Gear mod
Gear clip
Chain extension
2 chain links
Lubricant packet
Safety & Requirements
Before installation, ensure your garage door meets these requirements:
Door weight must not exceed 30 lbs
Springs must be properly balanced
Not recommended for homes with young children due to increased speed
Regular safety sensor testing is required
Springs should be replaced every 3-5 years or 10,000 cycles
Benefits
Faster opening & closing reduces wait time
Improved climate control for your garage
Enhanced security with faster closing
Reduced risk of accidental door contact
Professional-grade performance upgrade
Important Notes
This modification may void your Chamberlain warranty. This is a third-party modification not affiliated with Chamberlain.
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