Compatible spools for 7x4 or 8x5 baitcasting reels
Your baitcaster requires either 7×4 mm or 8×5 mm – depending on the model.
Search for your Reel below or use "Search in Page" to find it directly.
7×4 mm Bore
Shimano (7×4 mm)
- Aldebaran (BFS / MGL / Limited – depending on version)
- Antares (e.g. 16 DC, 18 DC MD)
- Bantam MGL
- Barchetta (CI4+, BB – depending on size)
- Bass One / Bass Rise
- Brennius
- Calcutta B
- Calcutta Conquest 100 / 200
- Calcutta Conquest BFS
- Cardiff 200 / 300 / 400
- Casitas MGL 100
- Chronarch MGL 150 / Chronarch CI4+ 150
- Citica 200
- Corvalus 200 / 300 / 400
- Curado BFS
- Curado 200K / 200E / 300E / 300EJ
- Curado DC / Curado K
- Engetsu (BB / CT / Premium – depending on version)
- Exsence DC (SS / XG)
- Genpu
- Grappler (CT / BB)
- Metanium (DC / MGL)
- Ocea Calcutta 200
- Ocea Conquest CT 200 / Limited 200
- Scorpion (BFS / DC / MGL / 70 / 200)
- SLX (DC / XT / MGL – e.g. 70/71)
- Stile
- Tranx 100 / 200
13 Fishing (7×4 mm)
- All Models
Okuma
- Komodo (Shimano-compatible – 7×4 mm)
8×5 mm Bore
Shimano (8×5 mm – larger models)
- Beastmaster
- Calcutta Conquest 300 / 400
- Calcutta Conquest Type J 300
- Curado 300K / 300DHSV
- Ocea Jigger
- TLD 5 / 10 / 15
- Tekota
- Torium
- Tranx 300 / 400 / 500
Daiwa (8×5 mm)
- Lexa (all)
- Air Stream Custom
- Catalina / Catalina BJ 100 / 200
- Coastal TW / SV TW
- Ryoga
- Saltiga / Saltiga BJ
- Saltist / Saltiga Star Drag
- Seaborg
- Seagate
- Sealine
- SS Air
- Steez (Limited / SV TW / 100H)
- Tatula Elite / Tatula SV TW
- Zillion (SV TW / TW)
- Daiwa Z 202
- Fuego CT
- Millionaire Series
- Spartan TW
- Tana Sensor
- Vadel Bay Jigging
Abu Garcia (8×5 mm)
- Ambassadeur 5500 / 6500
- Black Max
- Revo Series (SX / Rocket / Winch / Beast)
- Silver Max
- Zata
Lew's & Quantum (8×5 mm)
- All Models
Penn (8×5 mm)
- Fathom Low Profile 200 / 300
- Squall Lever Drag
- Squall Low Profile 200 / 300
Measure the baitcaster crankshaft yourself
FAQ: Which shaft bore (7×4 mm / 8×5 mm) do I need for my baitcaster reel handle?
Your reel is not on the compatibility list? No worries – just quickly measure the shaft yourself. The crucial factor is the shape/size of the crankshaft (shaft) onto which the handle is mounted. The common sizes are 7×4 mm and 8×5 mm.
Tip: The image shows the difference between 7×4 mm and 8×5 mm.
What you need
- Caliper (digital or analog). In a pinch, a ruler will do – but a caliper is much more accurate.
- Optional: a cloth to prevent small parts from rolling away (ball bearings love adventures).
How to measure correctly (in 60 seconds)
- Remove the handle: Remove the cap, loosen the locknut/screw, and pull off the handle.
- Important: Do not measure the nut/locknut, but the crankshaft (shaft) onto which the handle is mounted.
- Measure width (first number): Place the caliper at the widest point of the shaft (usually “flat to flat”) and read the value. This is usually 7 mm or 8 mm.
- Measure height/second side (second number): Rotate the caliper 90° and measure the narrower side. This is usually 4 mm or 5 mm.
-
Assign result:
≈ 7 mm & ≈ 4 mm → you need 7×4 mm
≈ 8 mm & ≈ 5 mm → you need 8×5 mm
Quick check if you’re unsure
- Measure 2–3 times (everyone sometimes measures “crooked”).
- Values very close? Small deviations (e.g., 7.0–7.2) can be normal depending on the measuring point.
- If it’s not clearly 7×4 or 8×5: take a photo of the shaft + caliper display and contact us.
Quick reminder: You measure the shaft, not the nut – and you need two values in the end: width × height = 7×4 mm or 8×5 mm.
Guide: Which Baitcaster Reel Handle Suits You?
Which crank fits your setup?
Choosing the right baitcaster crank (handle) affects torque, speed, comfort, and control. Length, handle material, and knob size directly influence the fishing feel – especially during longer sessions or with lures that have a lot of resistance. This guide helps you understand the differences and find the right combination.
1. The right length – understanding leverage
The length of the crank determines torque: The longer the crank, the more leverage.
70–85 mm – Compact & direct
Suitable for:
- BFS & Finesse
- Light lures
- Technical lure control (twitching, topwater)
Features:
- Quick response
- Direct feedback
- Ideal for smaller baitcaster reels
90–100 mm – The allround range
Suitable for:
- Jigging
- Crankbaits
- Spinnerbaits
- Universal applications
Features:
- Good balance of power & speed
- Comfortable handling
- Fits most setups
105–120 mm – More leverage, more control
Suitable for:
- Big Baits
- Large hardbaits with strong action
- Pike setups
- 300 size reels and larger
Features:
- Higher torque
- Less effort when reeling in
- Noticeable relief with heavy lures
2. Handle material – weight & stability
Carbon Handle
- Very light
- High stiffness
- Supports balanced balance
Ideal for weight-optimized or finesse-oriented setups.
Aluminum Handle
- Stable and durable
- Corrosion resistant
- Precisely CNC machined
Aluminum is the versatile standard in baitcaster tuning.
3. Knob size – The contact point to the reel
Knob size is usually given by the diameter at the thickest point.
18–22 mm – Small Knobs
- Very direct feel
- High control with light lures
- Ideal for smaller reels
22–27 mm – Medium Knobs
- Good mix of comfort & control
- For allround applications
- Comfortable for longer sessions
Over 27 mm – Large Knobs
- More grip surface
- More control under strong resistance
- Relieves strain in big bait setups
4. Knob material – differences in grip feel
EVA
- Very light
- Non-slip
- Weather resistant
Rubber
- High grip
- Very controllable when wet
- Comfortable during the fight
TPE (Thermoplastic Elastomer)
- Soft, pleasant surface
- Good cushioning
- High comfort
Cork
- Natural feel
- Very light
- Warm in the hand
Wood
- Individual look
- Natural feel
- Slightly firmer than EVA or TPE
Carbon
- Very light
- Modern design
- Direct, firm feedback
Aluminum
- Very robust
- Precisely crafted
- Cool, direct grip feel
- Especially durable
5. Check compatibility
Before choosing length or knobs, check the axle bore of your reel:
- Shimano → mostly 7×4 mm
- Daiwa & Abu Garcia → mostly 8×5 mm
If your reel is not listed, the axle bore can be measured yourself with a caliper.
Brief Summary
| Use | Recommendation |
|---|---|
| Finesse | 70–85 mm + 18–22 mm Knobs + Carbon |
| Allround | 90–100 mm + 22–27 mm Knobs + Aluminum |
| Big Baits | 105–120 mm + large Knobs |
| Save weight | Carbon Handle |
| Durability | Aluminum Handle + larger Knobs |
Gomexus Carbon 105 mm Handle with 27 mm Cork Knobs
Gomexus Carbon Handle for baitcast reels with cork knob – your upgrade for more style and power 🎣
You love having everything under control by the water – except the fish, of course, we want to see them really struggle! With the Gomexus Carbon Handle, you not only make a visual statement but also a technical one. Light, robust, and with a touch of luxury thanks to the high-quality cork knob – this handle will be your new favorite companion by the water.
TORAY carbon fiber: So light you can hardly feel it
The heart of this handle is the TORAY carbon fiber, a material known for its exceptional strength and lightness. More stability with less weight? Sounds almost like magic, but it's pure engineering. Ideal for fishing for hours without fatigue – because the only thing that should be heavy is your catch.
Portuguese natural cork: For real grip and comfort
The knobs are made from high-quality Portuguese natural cork, which not only looks elegant but also offers practical benefits. Whether you fish in rain or sun—the cork remains non-slip, warm, and comfortable in your hand. Bonus: It just feels good to hold something so natural while catching fish with high-tech gear.
Ergonomic design: Perfect for every use
With a length of 105 mm, this crank for baitcasting reels provides more leverage and less effort when reeling in—especially when a big catch is on the hook. The 27 mm crank knob size fits comfortably in your hand and makes longer fights enjoyable. Whether you prioritize precision or power, this handle adapts to your style.
Easy installation: Fast, simple, fits
The installation is so simple that you can do it yourself with cold fingers in under two minutes. Everything you need is included, including high-quality Japanese NMB ball bearings. These provide an incredibly sensitive feel so you can sense the lure's movement down to the smallest detail.
Compatibility
Here is a list of compatible models; if your fishing reel is not included, you can disassemble your original handle and measure the bore.
Shimano 7x4mm
- Aldebaran BFS
- Antares
- Bantam MGL
- Calcutta B
- Calcutta Conquest 100, 200
- Calcutta Conquest BFS
- Cardiff 200, 300, 400
- Corvalus 200, 300, 400
- Curado BFS
- Curado 200K, 200E, 300E, 300EJ
- Curado DC/K
- Metanium DC
- Scorpion
- SLX DC, XT, MGL
- Tranx 100, 200
Shimano 8x5mm
- Beastmaster
- 10 Calcutta Conquest type J 300
- Calcutta Conquest 300, 400
- Curado 300K
- Curado 300DHSV
- Ocea Jigger
- TLD 5, 10, 15
- Torium
- Tekota
- Tranx 300, 400, 500
Daiwa 8x5mm
- All Lexa
- Air Stream Custom
- 15 Catalina
- Catalina BJ 100, 200
- Coastal TW80, SV TW 150
- Ryoga
- 16 Saltiga
- Saltiga BJ 100, 200
- Saltist, Saltiga Star Drag
- Seaborg
- Seagate
- Sealine
- SS Air
- Steeze SV TWS
- Tatula Elite
- Tatula SV TWS
- Zillion
Abu Garcia 8x5mm
- Ambassadeur 5500, 6500
- Black Max
- Revo
- Revo SX
- Revo Rocket
- Revo Winch
- Revo Beast
- Silver Max
- Zata
13 Fishing 7x4mm
- All reels
Lew's, Quantum 8x5mm
- All reels
Penn 8x5mm
- Fathom Low Profile 200, 300
- Squall Lever Drag
- Squall Low Profile 200, 300
Okuma 8x5mm
- Komodo
Tip: Check the shaft size (7x4 mm or 8x5 mm) before purchase to make sure everything fits.
Technical data at a glance:
- Length: 105 mm
- Weight: 30 g
- Knob diameter: 27 mm
- Shaft size: 7x4 mm or 8x5 mm
Why the Gomexus Carbon Handle?
Because you don't do things halfway! This handle gives you more control, more comfort, and a look that will make others jealous by the water. Perfect for anyone who isn't satisfied with average. Get the Gomexus Carbon Handle with Cork Knobs and show the fish who's boss. 🎣