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Due to a change in our display models, we are offering the Sig.Rando complete bike at a special price.
To make space for new display bikes, we are offering the Sig.Rando complete bike display models a...
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"Limited to 1 unit" BOMBTRACK's ARISE complete bike in size S has arrived.
The bike that just arrived actually has a slightly "problematic" aspect to it, as the saddle is ...
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We are now selling the Sig.Rando rim brake model, compatible with both old and new standards.
The "Sig.Rando Rim Brake Model" is now available for sale, allowing you to enjoy custom builds by...
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We are adding a new "microSHIFT model" to the Sig.Rando complete bicycle.
We re-evaluated what a complete bike needs for an enjoyable ride and reconfigured its parts.The...
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We have started carrying the new brand "BOMBTRACK."
Bombtrack is a bicycle brand based in Cologne, Germany.
Their models are characterized by their e...
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We are selling our Sig.Rando display models at a special price.
With the change of the Sig.Rando frame's basic color from October 1st, we are selling our store d...
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The basic color of Sig.Rando will change starting Saturday, October 1st.
The standard colors for Grumpy's original Sig.Rando bike will be replaced with new colors from ...
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Why are Patagonia T-shirts suitable for summer touring?
Patagonia offers a variety of T-shirts, from casual to functional.
Among them, their T-shirts de...
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About Sig. Rando's Frame Customization Options
The "Frame Customization Option" expands the possibilities of the Sig. Rando.
Parts that couldn't...
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Mr. Rando's talk on "Geometry"
Geometry refers to the overall dimensions and angles of each part of a frame.
It's the foundatio...
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Long rides to enjoy on the Sig. Rando! "Two key points" for comfortable long-distance cycling
A cafe in the next town, a hot spring deep in the mountains, a ramen shop rumored to be deliciou...
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[Sig. Rando Test Ride Event at Branch Coffee] Concluded successfully!
The Pop-Up Event "Sig. Rando Test Ride at Branch Coffee," held on July 16th (Sat) and 17th (Sun)...
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![[Sig. Rando Test Ride Event at Branch Coffee] Concluded successfully!](//www.grumpy.jp/cdn/shop/articles/IMG_7532_345x345@2x.jpg?v=1658041642)
![[Sig. Rando Test Ride Event at Branch Coffee] Concluded successfully!](http://www.grumpy.jp/cdn/shop/articles/IMG_7532_345x345@2x.jpg?v=1658041642)