21 Alphas SV TW 800
Daiwa2021

Daiwa 21 Alphas SV TW 800 Tuning

Tuning Specs
Handle bore 8x5
Spool bearing sizes 5x10x4 | 3x8x4
Recommended bearing class Edge
Pin Remover Erforderlich
These sizes are precisely tailored to the reel — we’ve deliberately hidden the others so you can find the right tuning parts straight away.
Recommended knob sizes
18–20 mm21–24 mm25–27 mm
Recommended handle lengths
70–85 mm90–105 mm
Let’s tune your reel
Available variants
800 H
800 HL
800 XH
800 XHL

Matching tuning parts for your Alphas

Recommended for your Alphas
  • STAR PRODUCT  ★ 50+
  • NEW
RL - Angelrollentuning - EDGE Spulenlager Set für Daiwa Alphas - ALPHAS 25 BF TW - Mit Abdeckung - RL-TNG EDGE Spool Bearing Set open without shield: two hybrid ceramic ball bearings
  • LEGENDARY  ★ 100+
  • NEW
RL - Angelrollentuning - APEX Spulenlager Set für Daiwa Alphas - ALPHAS 25 BF TW - RL-TNG APEX spool bearings with S30 ceramic balls, ABEC 9
  • POPULAR  ★ 20+
  • NEW
RL - Angelrollentuning - CORE Spulenlager Set für Daiwa Alphas - ALPHAS 25 BF TW - RL - Angelrollentuning - RL - TNG Stainless Steel Ball Bearing Set | ABEC 5 | Shimano | 5x11x4 | 3x10x4 - Bundle -

The Daiwa 21 Alphas SV TW 800 is a 2021 bass baitcaster with an aluminum body, T-Wing system, and 32mm SV spool for bass, all-round, and light big bait. Available in H (7.1:1) and XH (8.5:1), both right- and left-handed.

Frequently asked questions about tuning the Daiwa 21 Alphas SV TW 800

Which spool bearings fit the Daiwa 21 Alphas SV TW 800?
The Daiwa 21 Alphas SV TW 800 uses spool bearings in 5x10x4 and 3x8x4 (inner × outer × width in mm). You'll find matching tuning spool bearings in exactly this size on this page under the tuning parts. To swap them on this reel you need a Pin Remover, because the bearings are secured to the shaft with pins.
Which bearing class do we recommend for the 21 Alphas SV TW 800?
For the Daiwa 21 Alphas SV TW 800 we recommend EDGE, the balanced middle class. A clearly noticeable gain in casting distance and smoothness at a very good price-performance ratio. The recommendation is based on how this reel is typically used.
Which handle and knobs fit the 21 Alphas SV TW 800?
The handle fitting of the Daiwa 21 Alphas SV TW 800 is 8x5 (wrench size × shaft diameter in mm). Every tuning handle with a 8x5 fitting fits directly. Tuning knobs in the sizes shown on this page fit the stock handle and our tuning handles.
Do I need special tools to change the bearings on the 21 Alphas SV TW 800?
Yes. On the Daiwa 21 Alphas SV TW 800 the spool bearings are secured to the spool shaft with pins. A Pin Remover lets you pull the pins out cleanly without bending the shaft. Apart from that you only need a suitable screwdriver for the side plate.
Can you install the tuning on my 21 Alphas SV TW 800?
Yes. Send us your Daiwa 21 Alphas SV TW 800, we'll install the tuning parts professionally, clean and oil the reel and send it back ready to fish. You'll find the tuning service via the button above.