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BFS AIR bearings specializing in-ultra small diameter stainless steel micro-balls & used lightweight aluminum housing!

Run fast; tuning kit AIR BFS (Aldebaran BFS, ステファーノ, Calcutta, Calcutta XT, conk est ,50/51/50S/51S) fs3gm

Run fast; tuning kit AIR BFS (Aldebaran BFS, ステファーノ, Calcutta, Calcutta XT, conk est ,50/51/50S/51S) fs3gm
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$ 23.25 (¥ 2,570)
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Product Information

 Description of the product

"Kattobi" Tuning Kit is special bearing for bait casting reels.
It is a 2-pack set.
Bearing size : 1030AIR BFS (3mm×10mm×4mm) & 730AIR BFS (3mm×7mm×3mm)

With English instructions, even the beginner can easily replace bearings.
Please enjoy the upgrade of your reel!!


New model of AIR bearing, which has overwhelming rotation capacity, is now released. The new model is really good at cost performance.
The housing of AIR BFS (Bait Finesse Special)is detachable so that you can replace just the bearing when it become worn.
The super micro ball, which is feature of AIR bearing, is high-precision stainless-steel. The rotation is very smooth and silent.
The performance is quite helpful to cast light-weight lures.

*”AIR Bearing” is Trademark patent of HEDGEHOG STUDIO Co.,Ltd.
 Product features

The main micro bearing of AIR BFS can be replaced easily from the aluminum housing by removing the stopper ring that is built-in.
The structure makes the maintenance easier. And it provides superior cost performance.
We also sell replacement micro bearings and stopper rings.


〜 JAPAN Model 〜

■12 Stephano
■05 CALCUTTA 50/51

This bearing kit is to replace two bearings of a reel spool.
One is on the "SVS Brake side", and the other one is "under the knob cap" on the handle side.
* This kit doesn't include a bearing to replace the bearing on the spool shaft.

* If you would like to replace the bearing on the spool shaft too, please purchase another bearing as follows.

1040AIR BFS or 1040ZR

・ 05 CALCUTTA 50/51
1150AIR or 1150AIR BFS or 1150ZR or 1150ZHi


Q. Is it necessary to clean Hedgehog bearings before attaching to reel?

A. No, it isn't.
Generally, bearings available on the market for industrial use and hobbies have no good rotation very often, because relatively hard grease is often clogged up in the inside of the bearing and some dust get inside of the bearing.

Haven't you purchased the bearing of such low-priced editions, washed the them yourself and used them up to now?
Have you ever experienced to heard some noise or felt some rumbling from bearings after cleaning them thoroughly?
You never get good results no matter how many times it its washed, as long as the accuracy of bearing is bad.

All bearings of HEDGEHOG STUDIO are tuned up and coordinated "Just for fishing reels".
All the bearings are selected one by one by our craftsman's hand after assembly, and only the bearings with excellent rotation performance pass the checks.
And they are filled up with the "Alchemy Oil" developed only for the bearing, and are shipped.

Therefore, it is not necessary to clean or to lubricate oil of a different manufacturer since our bearing condition is the highest in performance when they arrive to you.
You will be able to get the best performance by just opening the package of bearings and setting them to your reel.

Q. What is the rating of your (HEDGEHOG HOG’s) bearing in the ABEC (Annular Bearing Engineers' Committee) scale?

A. It is the question we get most often from overseas customers.
Because the bearings of HEDGEHOG STUDIO are Japanese-made products developed exclusively for reels, it is not applied to the ABEC scale which is an American Standard.
However, the performance is the "non-standard" quality and precision which exceeds ABEC9 rating.

Q. Is it easy to replace the bearing?

A. Yes, it comes with installation instructions in the kit, so you can easily replace the bearings the first time.
Moreover, the bearing currently attached in the inner part of the spool shaft is also replaceable by using the spool bearing remover of HEDGEHOG STUDIO.

Q. Does it cause backlash easily because the spool becomes high rotation?

A. On the contrary, it causes backlash less. Casting softly gives rise to sufficient rotational force so that you can make a cast by utilizing the bending of the rod.
Especially, among professional anglers on tours day after day,
There is also much evaluation of being very hard to get tired since useless energy is not nesesarry for casting, and becoming easy to carry out thier control.
However, each person has its own habit in their cast. For anglers who had cast with all thier might up to now, we suggest setting up the brake somewhat stonger at the bebinning then gradually getting used to it.

Q. Is oil lubrication necessary for bearing?

A. Except for some bearings, HEDGEHOG STUDIO's bearings are lubricated with proper amount of Alchemy Oil and then shipped .
(*Alchemy Oil Ultra Light is used for baitcast reels.)

After the purchase, when attaching bearing to reel at first, there is neither necessity for degreasing nor oil lubrication.
However, since the oil film becomes gradually weak after going fishing several times, in that case please put one drop of the Alchemy oil into the bearing, so that the initial performance will last much longer.

Alchemy Oil is a special oil for ultra-low friction.
When lubricated by mixed with a lot of frictional resistance oil of others, there is a fear that bringing down the initial performance.
We recommend lubrication of Alchemy Oil.

Latest Product Reviews (4)

Posted by ao******* , 2015/07/26 00:10:28
Posted by EA**** , 2015/04/04 11:05:14
より軽いルアーを扱いやすくするためカルカッタ50XTに導入しました。 軽いスプーンが投げやすくなったような?効果の程は微妙です。 オープンタイプなのでメンテナンス性は向上したものと思います。 一方で、小径化に伴い耐久性は低下しているはず。
Posted by ri******* , 2014/09/27 01:17:15

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