mainline.connection · part
Stren Original Copolymer
A blend that splits the difference: less stretch than straight mono, more manageable than fluoro, and cheap enough to respool often.
No exact product destination has been verified for this item.
Open a clean build in the studioWe asked the solver to build a rig around the Stren Original Copolymer for all 75 fish-and-water pairs we publish. 61 clear every engine check, 10 carry warnings, 4 carry errors.
- clean
- 61
- warnings
- 10
- errors
- 4
- no size fits
- 0
Runs at 6 lb to 30 lb across its clean builds.
tradeoffA compromise in both directions. If you know you want sensitivity, buy braid; if you want invisibility, buy fluoro.
- Material
- copolymer
- Tests lb
- 6 / 8 / 10 / 12 / 14 / 17 / 20 / 25 / 30
- Diameter
- 0.360 mm @ 14 lb
- Stretch
- 0.70
- Visibility
- 0.35
- Abrasion
- 0.55
- Buoyancy
- +0.40
- Spool yd
- 330
- Street price
- ~$10
What the solver builds around it
The most common pick at each other stage, across the 71 builds around the Original Copolymer that clear without an error.
- hook.terminalEagle Claw Lazer Sharp Circle Sea42/71
- leader.connectionYo-Zuri HD Carbon Fluorocarbon Leader31/71
- reel.platformOkuma Ceymar Spinning Reel40/71
- rod.platformUgly Stik GX2 Spinning Rod29/71
- lure.platformBerkley Gulp! Shrimp20/71
- weight.terminalBullet Weights Lead Bullet Worm Weights39/71
- float.terminalPlastilite Water-Fill Casting Bubble4/71
Every fish, every water
Each row is the best rig the solver can build for that fish in that water while being forced to use the Stren Original Copolymer. "Adds" lists the engine problems it brings that the free solve for the same pair does not have, and the last price column is the cost against that free solve.
| Fish | Water | Test | Engine | Adds | Build | vs. free |
|---|---|---|---|---|---|---|
| Largemouth Bass | Farm Pond | 8 lb | clears every checkstudio | nothing over the free solve | ~$144 | +$1 |
| Largemouth Bass | Weedy Lake | 8 lb | clears every checkstudio | nothing over the free solve | ~$144 | +$1 |
| Largemouth Bass | Clear Reservoir | 8 lb | clears every checkstudio | nothing over the free solve | ~$144 | +$1 |
| Largemouth Bass | River Run | 8 lb | clears every checkstudio | nothing over the free solve | ~$147 | +$1 |
| Largemouth Bass | Big River Channel | 8 lb | 1 warningstudio | nothing new; the free solve carries the same flags | ~$144 | +$1 |
| Smallmouth Bass | Clear Reservoir | 6 lb | clears every checkstudio | nothing over the free solve | ~$114 | +$1 |
| Smallmouth Bass | River Run | 6 lb | clears every checkstudio | nothing over the free solve | ~$126 | +$1 |
| Smallmouth Bass | Big River Channel | 6 lb | 1 warningstudio | nothing new; the free solve carries the same flags | ~$114 | +$1 |
| Rainbow Trout | Farm Pond | 6 lb | clears every checkstudio | nothing over the free solve | ~$117 | +$1 |
| Rainbow Trout | Clear Reservoir | 6 lb | clears every checkstudio | nothing over the free solve | ~$114 | +$1 |
| Rainbow Trout | Mountain Creek | 6 lb | clears every checkstudio | nothing over the free solve | ~$121 | +$1 |
| Rainbow Trout | River Run | 6 lb | 1 warningstudio | nothing new; the free solve carries the same flags | ~$117 | +$1 |
| Rainbow Trout | Hardwater / Ice | 6 lb | clears every checkstudio | nothing over the free solve | ~$117 | +$1 |
| Brook Trout | Mountain Creek | 6 lb | clears every checkstudio | nothing over the free solve | ~$121 | +$1 |
| Brook Trout | Hardwater / Ice | 6 lb | clears every checkstudio | nothing over the free solve | ~$117 | +$1 |
| Walleye | Weedy Lake | 6 lb | clears every checkstudio | nothing over the free solve | ~$117 | +$1 |
| Walleye | Clear Reservoir | 6 lb | clears every checkstudio | nothing over the free solve | ~$115 | +$1 |
| Walleye | River Run | 6 lb | 1 warningstudio | nothing new; the free solve carries the same flags | ~$117 | +$1 |
| Walleye | Big River Channel | 6 lb | 1 warningstudio | nothing new; the free solve carries the same flags | ~$115 | +$1 |
| Walleye | Hardwater / Ice | 6 lb | clears every checkstudio | nothing over the free solve | ~$115 | +$1 |
| Northern Pike | Weedy Lake | 20 lb | clears every checkstudio | the free solve already uses it | ~$143 | ±$0 |
| Northern Pike | Clear Reservoir | 20 lb | clears every checkstudio | the free solve already uses it | ~$143 | ±$0 |
| Northern Pike | Hardwater / Ice | 20 lb | clears every checkstudio | the free solve already uses it | ~$143 | ±$0 |
| Muskellunge | Weedy Lake | 30 lb | 2 warningsstudio |
| ~$379 | −$62 |
| Muskellunge | Clear Reservoir | 30 lb | 2 warningsstudio |
| ~$379 | −$62 |
| Muskellunge | River Run | 30 lb | 2 warningsstudio |
| ~$366 | −$62 |
| Channel Catfish | Farm Pond | 17 lb | clears every checkstudio | the free solve already uses it | ~$144 | ±$0 |
| Channel Catfish | Clear Reservoir | 17 lb | clears every checkstudio | the free solve already uses it | ~$144 | ±$0 |
| Channel Catfish | River Run | 17 lb | clears every checkstudio | the free solve already uses it | ~$229 | ±$0 |
| Channel Catfish | Big River Channel | 17 lb | clears every checkstudio | the free solve already uses it | ~$229 | ±$0 |
| Blue Catfish | Clear Reservoir | 30 lb | clears every checkstudio | the free solve already uses it | ~$377 | ±$0 |
| Blue Catfish | Big River Channel | 30 lb | clears every checkstudio | the free solve already uses it | ~$364 | ±$0 |
| Crappie | Farm Pond | 6 lb | clears every checkstudio | nothing over the free solve | ~$117 | +$1 |
| Crappie | Weedy Lake | 6 lb | clears every checkstudio | nothing over the free solve | ~$117 | +$1 |
| Crappie | Clear Reservoir | 6 lb | clears every checkstudio | nothing over the free solve | ~$114 | +$1 |
| Crappie | Hardwater / Ice | 6 lb | clears every checkstudio | nothing over the free solve | ~$117 | +$1 |
| Bluegill & Panfish | Farm Pond | 6 lb | clears every checkstudio | nothing over the free solve | ~$117 | +$1 |
| Bluegill & Panfish | Weedy Lake | 6 lb | clears every checkstudio | nothing over the free solve | ~$117 | +$1 |
| Bluegill & Panfish | Hardwater / Ice | 6 lb | clears every checkstudio | nothing over the free solve | ~$117 | +$1 |
| Common Carp | Farm Pond | 12 lb | clears every checkstudio | the free solve already uses it | ~$128 | ±$0 |
| Common Carp | Weedy Lake | 12 lb | clears every checkstudio | the free solve already uses it | ~$129 | ±$0 |
| Common Carp | Clear Reservoir | 12 lb | clears every checkstudio | the free solve already uses it | ~$129 | ±$0 |
| Common Carp | Big River Channel | 12 lb | clears every checkstudio | the free solve already uses it | ~$215 | ±$0 |
| Striped Bass | Clear Reservoir | 20 lb | clears every checkstudio | the free solve already uses it | ~$219 | ±$0 |
| Striped Bass | Big River Channel | 20 lb | clears every checkstudio | the free solve already uses it | ~$304 | ±$0 |
| Striped Bass | Open Surf Beach | 20 lb | clears every checkstudio | the free solve already uses it | ~$304 | ±$0 |
| Striped Bass | Inshore Flat | 20 lb | clears every checkstudio | the free solve already uses it | ~$218 | ±$0 |
| Striped Bass | Jetty & Pier | 20 lb | clears every checkstudio | the free solve already uses it | ~$304 | ±$0 |
| Redfish | Open Surf Beach | 17 lb | clears every checkstudio | the free solve already uses it | ~$304 | ±$0 |
| Redfish | Inshore Flat | 17 lb | clears every checkstudio | the free solve already uses it | ~$218 | ±$0 |
| Redfish | Mangrove Estuary | 17 lb | clears every checkstudio | the free solve already uses it | ~$219 | ±$0 |
| Redfish | Jetty & Pier | 17 lb | clears every checkstudio | the free solve already uses it | ~$304 | ±$0 |
| Speckled Trout | Inshore Flat | 10 lb | clears every checkstudio | nothing over the free solve | ~$204 | +$1 |
| Speckled Trout | Mangrove Estuary | 10 lb | clears every checkstudio | nothing over the free solve | ~$205 | +$1 |
| Speckled Trout | Jetty & Pier | 10 lb | clears every checkstudio | nothing over the free solve | ~$212 | +$1 |
| Snook | Open Surf Beach | 20 lb | clears every checkstudio | the free solve already uses it | ~$222 | ±$0 |
| Snook | Inshore Flat | 20 lb | clears every checkstudio | the free solve already uses it | ~$218 | ±$0 |
| Snook | Mangrove Estuary | 20 lb | clears every checkstudio | the free solve already uses it | ~$219 | ±$0 |
| Snook | Jetty & Pier | 20 lb | clears every checkstudio | the free solve already uses it | ~$304 | ±$0 |
| Flounder | Open Surf Beach | 12 lb | clears every checkstudio | nothing over the free solve | ~$304 | +$1 |
| Flounder | Inshore Flat | 12 lb | clears every checkstudio | nothing over the free solve | ~$219 | +$1 |
| Flounder | Mangrove Estuary | 12 lb | clears every checkstudio | nothing over the free solve | ~$219 | +$1 |
| Flounder | Jetty & Pier | 12 lb | clears every checkstudio | nothing over the free solve | ~$304 | +$1 |
| Tarpon | Inshore Flat | 30 lb | 1 errorstudio |
| ~$364 | +$83 |
| Tarpon | Mangrove Estuary | 30 lb | 1 errorstudio |
| ~$364 | +$83 |
| Tarpon | Jetty & Pier | 30 lb | 1 errorstudio |
| ~$364 | −$12 |
| Bonefish | Inshore Flat | 8 lb | clears every checkstudio | nothing over the free solve | ~$219 | +$1 |
| King Mackerel | Jetty & Pier | 20 lb | clears every checkstudio | the free solve already uses it | ~$306 | ±$0 |
| King Mackerel | Nearshore Reef | 20 lb | clears every checkstudio | the free solve already uses it | ~$306 | ±$0 |
| King Mackerel | Offshore Bluewater | 20 lb | 1 warningstudio | the free solve already uses it, with the same flags | ~$306 | ±$0 |
| Yellowfin Tuna | Offshore Bluewater | 30 lb | 1 errorstudio |
| ~$350 | −$26 |
| Salmon (Coho / King) | River Run | 17 lb | clears every checkstudio | nothing over the free solve | ~$234 | +$4 |
| Salmon (Coho / King) | Big River Channel | 17 lb | clears every checkstudio | nothing over the free solve | ~$234 | +$4 |
| Steelhead | River Run | 8 lb | clears every checkstudio | nothing over the free solve | ~$127 | +$1 |
| Steelhead | Big River Channel | 8 lb | 1 warningstudio | nothing new; the free solve carries the same flags | ~$127 | +$1 |
Fish-and-water pairs are the ones we publish solved rigs for: water type matches and the fish is actually targeted there. Build prices are street-price estimates from our catalog.
Where it falls short
The checks the Original Copolymer trips that the free solve for the same pair does not, by how many builds each one fires in. The quoted line is the engine's own message from the first build it fired in.
Line under the fish’s windowwarn in 7 builds
Muskellunge, Weedy Lake: 30 lb is light for Muskellunge. The working window for Muskellunge is 50–100 lb. You can land one on less, but every snag, every headshake, and every bit of structure becomes a coin flip.
Mainline under the bottom of the fish’s line window gets a warning. You can land one on less, but every snag and headshake becomes a coin flip.
Leader heavier than the mainlinewarn in 3 builds
Muskellunge, Weedy Lake: 135 lb leader on 30 lb mainline. Now the mainline is the fuse, which means a snag costs you the leader, the terminal tackle, and however much mainline was past the break. The leader is also thick enough to be visible and to stiffen your bait's action.
Past 2x the mainline test the mainline becomes the fuse, and a snag costs the whole terminal end. The engine warns.
No leader against an abrasive fishwarn in 1 build
Yellowfin Tuna, Offshore Bluewater: No leader against an abrasive Yellowfin Tuna. Yellowfin Tuna rates 0.60 for abrasion: gill plates, teeth, or the structure it lives in. Braid has almost no abrasion resistance; a 20-inch fluorocarbon leader at 80–174 lb costs pennies and stops most of these losses.
Fish rated 0.6 or more for abrasion (gill plates, teeth, or the structure they live in) get a warning with no leader at all.
Where our rigs already use it
Pages where the solver picked the Original Copolymer with nothing forcing it.
Against the other mainline options
The same test run on every mainline in the catalog, ranked by clean builds. Full specs side by side are on the mainline comparison.
| # | Part | Clean | Warn | Error | No size | Price |
|---|---|---|---|---|---|---|
| 1 | Sufix 832 Advanced Superline | 70 | 1 | 4 | 0 | ~$27 |
| 2 | PowerPro Spectra Braided Line | 68 | 3 | 4 | 0 | ~$22 |
| 3 | Daiwa J-Braid Grand x8 | 68 | 3 | 4 | 0 | ~$30 |
| 4 | Berkley Trilene Big Game | 64 | 4 | 7 | 0 | ~$14 |
| 5 | Stren Original Copolymer | 61 | 10 | 4 | 0 | ~$10 |
| 6 | Berkley Vanish Fluorocarbon | 61 | 10 | 4 | 0 | ~$11 |
| 7 | Berkley Trilene XL Monofilament | 60 | 11 | 4 | 0 | ~$9 |
| 8 | Seaguar InvizX Fluorocarbon | 59 | 12 | 4 | 0 | ~$24 |
frequently asked
05What fish is the Stren Original Copolymer good for?
Built around it, the engine clears every check for Largemouth Bass, Smallmouth Bass, Rainbow Trout, Brook Trout, Walleye, Northern Pike, Channel Catfish, Blue Catfish, Crappie, Bluegill & Panfish, Common Carp, Striped Bass, Redfish, Speckled Trout, Snook, Flounder, Bonefish, King Mackerel, Salmon (Coho / King), and Steelhead. It works with warnings for Muskellunge.
What test of Original Copolymer should I use?
Across its clean builds the solver runs it from 6 lb to 30 lb. The table on this page lists the exact test for each fish and water; the window comes from each fish's line requirement and the rod it is paired with.
What does the Original Copolymer pair with?
Building around it, the solver most often picks the Eagle Claw Lazer Sharp Circle Sea (hook, 42 of 71 builds), the Yo-Zuri HD Carbon Fluorocarbon Leader (leader, 31 of 71 builds), the Okuma Ceymar Spinning Reel (reel, 40 of 71 builds), and the Ugly Stik GX2 Spinning Rod (rod, 29 of 71 builds).
Where does the Original Copolymer fall short?
line under the fish’s window (a warning in 7 builds, e.g. Muskellunge, Weedy Lake: 30 lb is light for Muskellunge), leader heavier than the mainline (a warning in 3 builds, e.g. Muskellunge, Weedy Lake: 135 lb leader on 30 lb mainline), and no leader against an abrasive fish (a warning in 1 build, e.g. Yellowfin Tuna, Offshore Bluewater: No leader against an abrasive Yellowfin Tuna).
How does it compare with other mainline options?
It ranks 5 of 8 mainline options in our catalog by clean builds (61 of 75). Prices are street-price estimates, not live Amazon prices.