Masamune
Specifically designed for Ironman triathletes where drag coefficient, ergonomics and stability have brought up to the max.
Back in stock
30 units - Jul 07, 25
This is what 20W of extra power looks like
Unlock from 15 to 30 Watts without training. A masterpiece designed to achieve your perfect position on the bike, combined with meticulous engineering for minimal air resistance.
Perfect fitting
Only ones in the market offering a wrist angle regulation so you can fine-tune your position and avoid pain.
Combined with our patented K wedges to increase the angle from 10º to 15º or 20º, giving you the best position possible.
Components
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1. Handgrip
Mono grip or double grid. Adjustable wrist angle.
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2. Garmin/Wahoo holder
To attach your Garmin/Wahoo. Sold apart accessory.
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3. Bottle adapter
To attach your water bottle. Sold apart accessory.
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4. ARAI Foam
Removable with Velcro.
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5. Masamune Body
Build in undirectional carbon fiber. With wire track & for greater rigidity.
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6. K Wedges
Choose from 10º to 15º to 20º degrees, made from aluminium.
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7. Plate
Making all bikes compatible.
Light as a feather
Monocoque construction made of 100% unidirectional carbon fiber for greatest weight/strength ratio
Accessories for your rides
Add the extras you need to your Masamune: a second double grip, a GPS mount, or a bottle holder. (Sold apart).
Soft, cushioned foam
Premium materials ensure ultra-lightweight performance and superior comfort, thanks to the built-in foam.
Maximum compatibility
Masamune fits on major bicycle brands, thanks to an adaptable plates that adjusts to different frame sizes.
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Quality product with great customer service support
Outstanding products with A+ customer service, not to mention iron blazing fast shipping
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Thank you
Thank you, Tetsuo! I’ve received the package, super fast shipping! I’m really happy with the service you provide. Can’t wait to smash my next race with this new weapon!
★ ★ ★ ★ ★
Great quality product
Great quality product. Quick and professional response when contacting the company.
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LOVE Tetsuo 😍
LOVE Tetsuo and the service they provide during every step!
★ ★ ★ ★ ★
Tetsuo offers a superb product…
Tetsuo offers a superb product and the ordering process was smooth and quick.
★ ★ ★ ★ ★
Great customer service and great…
Great customer service and great product. Marcos was very responsive by email. Product was shipped out quickly and is super solid.
Dimensions
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Weight
273gr
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Length with handgrid in 30º
429mm
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Length with handgrid in 0º
403mm
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Elbow spacing
140mm
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Maximum & minimum distance between holes
117mm to 169mm
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Gap between slots
15mm to 15mm
Free returns within 30 days
2-year warranty
Pay in 3 months at 0% with Paypal
FAQs
Masamune is compatible with most major Dual Stack bikes without any need for adaptation, as long as the distance between holes ranges from 95mm to 169mm.
Masamune is also compatible with the following bikes by adding an additional plate (sold separately).
- Argon 119+
- BMC Speedmachine
- Canyon Speedmax Disc
- Canyon Speedmax SLX
- Cervelló C5 Dics
- Cervelló PX
- Orbea Disc
- Scott Plasma 6
- Specialized Shiv
- Trek Rim Brake
- Trek Disc Brake
You can check the technical measurements and compatibility of Masamune on the Compatibility page
Yes, we deliver anywhere in the world, ensuring your armrests arrive quickly and securely.
- Fast & Reliable: International shipping with real-time tracking.
- Secure Packaging: Your product arrives in perfect condition, ready to ride.
- Customs-Friendly: We assist with smooth delivery, reducing delays.
We have multiple payments methods:
- Debit / Credit Card
- Goole Pay
- Paypal
- Klarna
- Bank transfer
You can pay in three months at 0% with PayPay.
GETTING YOU FASTER
Configure your Masamune