A non-sealed heavy-duty chain built for off-road and motocross racing where the goal is the lightest, lowest-drag drive between fresh-lube intervals. Non-sealed, solid bushing construction for minimum rolling resistance at race speeds. Heat-treated and shot-peened side plates; JT rates the 520 HDR to 250cc motocross and 200cc street use. Available in nickel and gold/black plating; sized 520 pitch. Requires regular lubrication between sessions — designed for racers, not for sealed street duty. Ships with a clip-type connecting link (rivet link available separately). JT Sprockets is a British brand; chains are produced to JT’s QC spec. Spec: type: chain · pitch: 520 · length_links: 120 · finish: nickel Fitment Universal fit — works on any compatible motorcycle.
Available lengths: 110, 112, 114, 116, 118, 120, 124 links. Finishes: Natural, Nickel.
Specifications
| Chain Pitch | 520 |
|---|---|
| Link Count | 120 links |
| Intended Use | Street/Dirt |
| Tensile Strength | 8157 lbs |
| Recommended Max Engine Size | 200 cc |
| Recommended Max Engine Size (Dirt) | 250 cc |
| Seal Type | Non-Sealed |
| Master Link | Clip |
| Optional Master Link | Rivet |
| Best For | Street, MX / Motocross, Off-road / Trail |
Verified from Garamoto’s catalog & fitment data.

















