Best-of guide

Best mainline: our top-scored picks

Right, here's the lot. Every bit of mainline we've dug into, ranked by our on-paper score — that's our own desk research on specs, build and price across five things: product quality, performance, how much it helps you catch, ease of use and value for money. We haven't bank-tested these, so treat it as a smart shortlist, not gospel.

Top of the pile right now: Airflo Superflo Ridge 2.0 Pike (9/10), Daiwa J-Braid X8 Grand (9/10) and Airflo Pike Fly Line (8.9/10). Tap into any review for the full lowdown, the comparison and a buying checklist.

Top tip: match the kit to how and where you actually fish before chasing the highest number. A cracking bit of gear for big open waters can be overkill on a snug club pond. How we score.

Fishing style
  1. Mainline
    Airflo Superflo Ridge 2.0 Pike90%

    Airflo

    Airflo Superflo Ridge 2.0 Pike

    Ridge 2.0 Sniper 4 Season fly line

    A proper big-fly line for pike anglers who want to turn over bulky patterns, punch through a bit of breeze and keep control when the water’s doing its worst.

    • Available in WF6, WF7, WF8, WF9 and WF10 line weights.
    • The 34 ft / 10.36 m head is designed to load quickly and carry large predator flies.
    • Supplied as a complete 110 ft / 33.5 m fly line with integrated running line and factory-welded loops.
  2. Mainline
    Daiwa J-Braid X8 Grand90%

    Daiwa

    Daiwa J-Braid X8 Grand

    J-Braid X8 Grand

    A smooth, tough eight-carrier braid for lure anglers who want proper feel, tidy casting and a bit more confidence around snags.

    • Eight-carrier braid made from IZANAS PE fibre.
    • Manufactured in Japan with short-pitch braiding for a more consistent profile.
    • Ultra-low stretch gives crisp lure control and better bite detection.
  3. Mainline
    Airflo Pike Fly Line89%

    Airflo

    Airflo Pike Fly Line

    Airflo Pike Fly Line

    A proper predator fly line built to turn over bulky pike flies, with four density options and enough grunt for serious stillwater and river work.

    • Available in Floating, Fast Intermediate, Di3 and Di7 densities.
    • Available in WF8, WF9 and WF10 line weights.
    • Head weights run from 330 grains / 21.4g in WF8 to 425 grains / 27.5g in WF10.
  4. Mainline
    Airflo Superflo Power Taper Pike Fly Line89%

    Airflo

    Airflo Superflo Power Taper Pike Fly Line

    Floating WF Pike Fly Line

    A proper big-fly line for pike work, with the punchy turnover, long haul zone and slim running line needed when your flies are anything but dainty.

    • Floating weight-forward line with a Power Taper profile for big pike flies and heavy rigs.
    • Available from WF3F through WF9F, giving options across lighter predator and heavier pike outfits.
    • WF3F is 82 ft long; WF4F to WF9F are 90 ft long.
  5. Mainline
    Daiwa J-Braid Grand X889%

    Daiwa

    Daiwa J-Braid Grand X8

    J-Braid Grand X8

    A slick, eight-carrier braid for lure anglers who want low stretch, a neat profile and plenty of choice in breaking strains and spool lengths.

    • Eight-strand braid made from IZANAS PE fibre.
    • Made in Japan with ultra-low stretch.
    • Short-pitch braiding aims to give a more consistent profile.
  6. Mainline
    Airflo 40+ Predator Fly Line89%

    Airflo

    Airflo 40+ Predator Fly Line

    Superflo 40+ Sniper Predator Fly Line

    A punchy, compact-headed fly line built to turn over big pike flies without making every cast feel like hard graft.

    • Available in WF8, WF9 and WF10 line weights.
    • Floating and fast-intermediate versions use a 31 ft / 9.2 m head; Sink 3 and Sink 7 versions use a 28 ft / 8.5 m head.
    • Full-head weights are 330 grains / 21.4 g in WF8, 375 grains / 24 g in WF9 and 425 grains / 27.5 g in WF10.
  7. Mainline
    Fox Rage Predator Braid88%

    Fox Rage

    Fox Rage Predator Braid

    Fox Rage Predator Braid — 40lb / 18kg and 60lb / 27kg options

    A proper predator mainline with a round 8-strand build, high abrasion resistance and handy 150m markers. Here’s where it fits on your pike gear.

    • 8-strand braided construction with a round profile.
    • Floating braid with a Microbond weave.
    • Dark green finish and high abrasion resistance for predator fishing.
  8. Mainline
    Airflo Predator Fly Line88%

    Airflo

    Airflo Predator Fly Line

    WF8–WF10 · Floating, fast intermediate, Di3 and Di7

    A chunky predator fly line built to turn over bulky pike flies, reach the depth and keep casting when dainty trout tackle just won’t cut it.

    • Available in WF8, WF9 and WF10 line weights for throwing substantial predator flies.
    • Density options include floating, fast intermediate, Di3 and Di7.
    • Fast intermediate sinks at approximately 1.5 inches per second; Di3 at 3 inches per second; Di7 at 7 inches per second.
  9. Mainline
    Shimano Kairiki 488%

    Shimano

    Shimano Kairiki 4

    Shimano Kairiki 4

    A tidy four-carrier braid with a smooth profile, low stretch and plenty of size choice. Here’s where Shimano Kairiki 4 fits on a predator setup.

    • Four-carrier braid made with IZANAS ultra-high-strength polyethylene fibre.
    • Shimano VT Construction Method creates a tight, smoother and rounder profile.
    • Low stretch helps with lure control, sensitivity and feeling the bottom.
  10. Mainline

    Airflo

    Airflo Forge Pike Fly Line

    Forge Pike Fly Line

    A proper predator fly line with the punch to turn over bigger pike flies, without making every cast feel like hard graft.

    • Designed for casting larger pike flies than a standard trout line is usually comfortable with.
    • A predator-focused fly line for pike fishing on stillwaters, canals and suitable rivers.
    • The line’s casting profile is intended to load a pike fly rod and turn over bulky flies and leaders.
  11. Mainline
    Shimano Kairiki 887%

    Shimano

    Shimano Kairiki 8

    Kairiki 8 range; diameter, colour and spool length vary

    An eight-carrier mainline with a tight weave and plenty of predator appeal. Kairiki 8 makes sense for anglers who want direct lure contact, provided you choose the right strength and sort your leader properly.

    • Eight-carrier braid made with IZANAS ultra-high-strength polyethylene fibre.
    • Uses Shimano’s tight-weave VT Construction.
    • Manufactured in Japan, with freshwater and saltwater applications.
  12. Mainline
    Fox Rage Jig Silk87%

    Fox Rage

    Fox Rage Jig Silk

    Fluoro green · 150m · Multiple breaking strains

    An eight-strand lure-fishing mainline with a smooth coating, a bright green finish and very little give. Properly useful for staying connected to a jig — provided you pick the right strength and sort your leader.

    • Eight-strand WHMWPE braid with a tightly braided construction described as 32 fibres.
    • 150m spool in fluoro green.
    • Smooth, water-repellent coating with UV resistance and high colour retention.
  13. Mainline
    Airflo Sixth Sense Pike Fly Line86%

    Airflo

    Airflo Sixth Sense Pike Fly Line

    Pike Elbi's Sixth Sense · WF 9/10 · Sink 7

    A dedicated sinking line for pike fly anglers who need streamers down in the water, without turning every cast into a full-on faff.

    • Full-sinking fly line designed specifically for pike fly fishing.
    • Sink 7 classification for working large streamers down in the water.
    • Available in WF 9/10 to suit heavier pike fly tackle.
  14. Mainline
    Fox Rage Replicant Cast Braid86%

    Fox Rage

    Fox Rage Replicant Cast Braid

    150m spools · 55lb / 0.32mm or 65lb / 0.41mm

    A sinking, 8+1 carrier braid aimed squarely at casting Replicants and other hefty lures. Proper predator mainline, rather than an all-round braid for every rod in the shed.

    • Sinking braided mainline intended for Replicants and other large lures.
    • 8+1 construction: eight UHMPE carriers plus one PTFE core carrier.
    • Camouflage colour with maker-described ultra-supple, zero-stretch and abrasion-resistant construction.
  15. Mainline
    Fox Rage Predator Elite Braid85%

    Fox Rage

    Fox Rage Predator Elite Braid

    300 m spool; 40 lb and 60 lb options

    An eight-strand floating braid with a round profile, sturdy breaking-strain options and a handy halfway marker. A sensible fit for predator bait fishing, especially when you want to manage line above the water rather than pin it down.

    • Eight-strand construction with a round profile and Microbond weave.
    • Floating mainline in dark green.
    • 300 m spool with a line marker at 150 m.
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