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XBRAID/YGK FRONTIER MONOFILAMENT LINE 500M
XBRAID/YGK FRONTIER MONOFILAMENT LINE 500M
XBRAID/YGK FRONTIER MONOFILAMENT LINE 500M
XBRAID/YGK FRONTIER MONOFILAMENT LINE 500M
XBRAID/YGK FRONTIER MONOFILAMENT LINE 500M
XBRAID/YGK FRONTIER MONOFILAMENT LINE 500M

XBRAID/YGK FRONTIER MONOFILAMENT LINE 500M

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The YGK Frontier Monofilament 500m (M165)—often listed under YGK's X-Braid umbrella—is a premium, high-quality nylon monofilament fishing line manufactured in Japan. Known for its reliability and excellent value, it is highly regarded by anglers who need a dependable main line for high-capacity reels.

Key Features

  • Japanese Quality Control: YGK is famous for its stringent manufacturing standards. The Frontier line provides consistent diameter and breaking strain throughout the entire 500-meter spool.

  • Optimal Stretch & Suppleness: Being a high-grade nylon monofilament, it offers a great balance of stretch and flexibility. This elasticity acts as an excellent shock absorber when fighting aggressive, hard-hitting fish.

  • High Castability: The line is incredibly smooth and supple, which minimizes memory and allows for long, fluid casts without birdnesting or tangling on the spool.

  • High-Visibility/Assorted Colors: The M165 variant is famously known for its vibrant color profiles (often distributed as a "Rainbow" multi-color line or random high-vis colors like orange and sky blue), making it easy to track your line in various water and lighting conditions.

Line Specifications

The YGK Frontier 500m line comes in several sizes to match different fishing environments. Below is a breakdown of the standard sizing chart:

Line Size (#) Standard Diameter Breaking Strength Spool Length
#2.0 ~0.25 mm 8 lb 500 m
#2.5 ~0.26 mm 10 lb 500 m
#3.0 ~0.28 mm 12 lb 500 m
#3.5 ~0.31 mm 14 lb 500 m
#4.0 ~0.33 mm 16 lb 500 m
#5.0 ~0.37 mm 20 lb 500 m
#6.0 ~0.40 mm 24 lb / 25 lb 500 m
#8.0 ~0.47 mm 30 lb / 33 lb 500 m

Best Use Cases

Thanks to its lower density compared to fluorocarbon, this nylon monofilament suspends beautifully in the water. This makes it an ideal choice for:

  • Finesse topwater and suspending lure fishing (as it won't drag your lures down).

  • Rock, surf, and beach casting where large-capacity reels require a lot of backing or a single long run of strong, shock-resistant line.

  • General freshwater and saltwater bait fishing.


M165 FRONTIER RAINBOW MONOFILAMENT 500m  Size: 6G  (22lb)

M165 FRONTIER RAINBOW MONOFILAMENT 500m  Size: 8G  (30lb)

Monofilament Line for fishing reels, general usage.

Frontier Nylon delivers the highest quality Japanese monofilament.

A durable line offering great casting ability.