
RK Heavy-Duty GB420MXZ Gold Chain 120-Link
All RK chains are pre-stretched and pre-stressed for fewer adjustments, less stretch, and better load distribution than the competition. Solid rollers and bushings with quad-riveted pins for extended wear resistance. Special coating treatment for a 50% increase in chain life.
Features
- Suitable for all E-Bikes equipped with 420 system
- Average tensile strength of 4,980 lbs.
- Pre-Stretched chain to reduce adjustments required
- Better load distribution than the competition
- 120 link to be trimmed to fit most E-bike and Dirt bike applications.
Fitment
Universal Fitment
Original: $45.79
-70%$45.79
$13.74Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
All RK chains are pre-stretched and pre-stressed for fewer adjustments, less stretch, and better load distribution than the competition. Solid rollers and bushings with quad-riveted pins for extended wear resistance. Special coating treatment for a 50% increase in chain life.
Features
- Suitable for all E-Bikes equipped with 420 system
- Average tensile strength of 4,980 lbs.
- Pre-Stretched chain to reduce adjustments required
- Better load distribution than the competition
- 120 link to be trimmed to fit most E-bike and Dirt bike applications.
Fitment
Universal Fitment



















