Chain Type / Pitch: 520 pitch (5/8" pitch) — standard for many motorcycles in that class.
Link Count: 120 links (full-length chain)
Seal / Ring Type: Often “VRX” variant, which is a seal-ring design (enhanced over basic O-ring) with improved sealing for lubrication retention. (CentreTune description: “RK’s next generation ‘RX’ / VRX seal-ring”).
Use Case: Suitable for sport, touring, or performance bikes (common replacement chain for bikes like the Yamaha R3 in the referenced listing)
Strength & Treatment: RK chains are typically pre-stretched, shot-peened, heat heat-treated for durability. (General RK chain listing from Rocky Mountain ATV/MC)
Joining Link: The listings mention they come with a clip-type joining link in the case of VRX style.
