Standard Round Grip
A neutral, all-purpose shape and practical starting point.
Consider for: beginners and regular practice.
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Bogushop Kendo Guide
How to choose a Shinai
Learn how to choose the right shinai based on size, balance, grip shape, skill level and competition requirements.
The right shinai should meet the requirements of your dojo or competition, while supporting comfortable grip, controlled movement and sound technique. Start with the correct size, then compare balance, bamboo profile and grip.
Start with size and dojo requirements. Specialized features are personal preferences, not automatic upgrades. When in doubt, ask your instructor or use the Bogushop Shinai Finder before ordering.
1. Confirm Size
Begin with a legal and suitable length and weight.
2. Compare Balance
Equal-size shinai can feel different because mass is distributed differently.
3. Select a Grip
Grip thickness, shape and length affect hand placement and handling.
4. Inspect It
Do not use a shinai that is cracked, loose or splintered.
01 · Start here
Choose the Correct Size First
Shinai size is normally selected according to age, competition category and dojo guidance. Use these labels as orientation only.
≤ 36
Smaller junior sizes. Confirm with the instructor.
37
Common junior size. Confirm age-group requirements.
38
Used in particular age and competition categories.
Adult size39
Standard full-length adult size. Required weight still depends on category.
Important: Do not choose from height alone. Follow your instructor's direction and applicable competition rules.
Reference · Know the parts
Understand the Shinai Specifications
Use these reference diagrams when comparing product measurements and profiles. Select either image to open the full-size version.
02 · Feel and control
Balance Changes How a Shinai Feels
Two shinai can have the same length and weight but feel different because balance depends on where the bamboo carries its mass.
More Forward Presence
More noticeable mass toward the monouchi can feel substantial through the tip and during contact.
- Pronounced tip feedback
- Traditional, substantial feeling
- May feel more demanding over a long practice
More Hand-Centred Feel
More mass closer to the hands can feel quicker to start, stop and redirect.
- Responsive handling
- Can feel lighter than measured weight
- Common in Dobari and Jissengata-oriented designs
Neither balance is automatically better
Choose the option that supports posture, relaxed shoulders, correct hand use and controlled technique.
03 · Grip selection
Choose a Grip That Supports Your Hands
Grip selection has three separate dimensions: shape, thickness and length.
Koban or Oval Grip
The oval cross-section gives a clearer reference for blade orientation and hand placement.
Consider for: stronger tactile orientation feedback.
Octagonal Grip
Defined flat surfaces provide noticeable indexing in the hands.
Consider for: a distinctive, clearly indexed grip.
Large Grip
A thicker tsuka fills more of the hands but should not force excessive tension.
Consider for: larger hands or an established preference.
Short Grip
A shorter tsuka places the hands closer together and changes leverage and timing.
Consider for: kendoka who know that closer spacing suits their technique.
Katate Koban Grip
Oval shaping is concentrated for one hand. Exact construction varies by model.
Consider for: targeted oval-grip feedback.
04 · Bamboo profiles
Understand the Performance Profiles
Profile names describe general bamboo shaping and distribution. Compare each product's measurements and description.
Dobari
Broader through the lower-to-middle bamboo, generally creating a more hand-centred and responsive feel.
Jissengata
A competition-oriented profile commonly designed for quick handling while meeting applicable specifications.
Koto Style
A straighter, more even silhouette that generally gives clearer forward presence and a traditional response.
Koban
Koban normally refers to the oval grip and may be combined with Dobari, Jissengata or Koto construction.
Octagonal
Octagonal normally describes the grip surfaces, not one fixed bamboo balance.
Narrow Tip
A narrower upper profile can reduce tip mass, but the complete design determines final balance.
Features can overlap
One shinai may combine Dobari shaping, a short tsuka and an octagonal grip. Read the complete specification rather than selecting from one label alone.
05 · Starting points
Which Shinai Should I Consider?
First Shinai
- Correct size first
- Standard round grip
- Neutral, versatile model
Buying for a Junior
- Ask the instructor
- Do not buy room to grow
- Prioritize control
Traditional Feel
- Explore Koto style
- Compare forward presence
- Confirm measurements
Responsive Shiai Feel
- Explore Dobari or Jissengata
- Compare balance, not weight alone
- Confirm competition specifications
06 · Care and safety
Inspect Your Shinai Before Every Practice
Stop immediately if the bamboo is damaged
- Check all bamboo slats for splinters and cracks.
- Confirm the sakigawa is secure.
- Check tsuru tension and nakayui position.
- Check the tsuba and tsubadome.
- Do not use cracked or unsafe bamboo.
Ready to Find Your Shinai?
Use the Bogushop Shinai Finder to start with the correct size and compare available grip, balance and profile options.
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