BIO Dobari Thin tip Thick grip ♂ Shinai - TSUBASA GOLD BIO

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Dobari Sakiboso Tsukabuto BIO Shinai.
Tsubasa Budogu proudly presents its original Shinai models line up, Tsubasa Brand!

Tsubasa Gold BIO is a beautiful smoked dark brown Shinai made exclusively for man size, perfect for competition due to its center of gravity closer to the hands. It has a large Do or body above the Tsuka (Dobari), a lighter tip (Sakiboso) and a thicker grip (Tsukabuto), and it comes assembled with a double Toko Tsukagawa. It is also a good option for normal practices thanks to its durability (particularly in climates with high levels of humidity), made with treated (carbonized) Taiwanese bamboo (Keichiku), proven to be durable and flexible, which becomes stronger after the BIO treatment, which consists in making its own resin come out to the surface by long periods of high temperature exposure, obtaining a liquid resin that becomes a clay-like substance covering the surface and filling the pores, and when the resin dries on the bamboo itself, solidifies its fibers, increasing its resilience to weather changes (lose less moisture overtime, but it also absorbs less moisture) and it is usually less prone to splinter compared with untreated bamboo.

It has a 28mm diameter Tsuka (around 30mm when assembled) and a bigger Do (protrusion above the Tsuka), shifting its center of gravity closer to the handle. And considering it has also a thinner tip (Sakiboso), we classify this Shinai as a competition model.

* Recommended for: Competitive Kendo style with short or large movements from any Maai (distance and timing). Particularly good for those who want to move the Shinai faster. Also good for big hands (large fingers). It will let your forearm’s tendons relax, specially if you hold the Shinai too tightly or tend to put too much strength on the grip.

* SSP Approval: This Shinai follows the actual All Japan Kendo Federation designated regulations.

* The standard Tsuba size does not fit on thicker grips Shinai. When the option for adding the Tsuba & Tsubadome set is selected, we will adjust (enlarge the hole of) the Tsuba, which is reflected on the extra fee.

* Assembled Shinai; Leather fittings/parts included.

Shinai specifications - FIK reglementary Table
Specification Gender Junior High School
(12–15 yrs)
Senior High School
(15–18 yrs)
University students and Adults
Max. length Male & Female 114cm 117cm 120cm
Shinai size Male 37 Boy 38 High-school Boy 39 Men
Female 37 Girl 38 High-school Girl 38 Women / 39 Women
Min. weight Male 440g 480g 510g
Female 400g 420g 440g
Shinai must be measured and weighed assembled with the leather fittings, but without tsuba or tsuba-dome.


We make a quality check after the products are finished at the workshop and before preparing the shipment, but in case that something was overlooked or one of the products from another maker has some kind of malfunction, and if you find any trouble with your purchase after receiving it, contact us immediately to help you out. If you think there is a problem after using all the purchased items for a while, you can also write to us, and we will analyze your case to check if we could offer you a solution in the way of repair, exchange, refund or a compensation in case it corresponds depending of the problem. But please be aware that not only all the protective gear that is used wrongly or in extreme situations will be damaged. Due to the normal use (sweat, friction, hits) and to the weather (direct sunlight, dryness, humidity) impacts over time, it is assumed that the condition of the product will decrease. Before contacting us, take the aforementioned into consideration, and if we found out the cause or reason of the problem is not due to a defective product or manufacture error, there will be no replacement, repair, refund or compensation whatsoever. * In case of bamboo and wood products (Shinai, Bokuto, Suburito), designated weight and their surface's condition might change during the shipping due to moisture/humidity changes that may occur while handled or stored by the couriers and while traveling to your place for delivery. Natural raw materials, specially bamboo, might present imperfections such as color change, dark spots and other visible details that are perfectly normal; these do not represent any problem in terms of durability. Also, many of our Shinai have a layer of wax or oil finishing, thus residues may be found on the bamboo. For this reason, we suggest to clean these kind of products with a cloth before using them the first time. And in case of small deterioration on the surface due to dryness, we recommend to put (only on the bamboo or wood areas) a layer of vegetable-oil after polishing with sandpaper, if necessary.
Main Materials:
Treated Taiwanese bamboo, leather
Bamboo Type:
BIO Keichiku
Tsuka (Grip) Type:
Tsukabuto (Thick Tsuka), Round grip