Blog
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We are adding a new "microSHIFT model" to the Sig.Rando complete bicycle.
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We re-evaluated what a complete bike needs for an enjoyable ride and reconfigured its parts.The Sig.Rando complete bike microSHIFT model features... -
We have started carrying the new brand "BOMBTRACK."
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Bombtrack is a bicycle brand based in Cologne, Germany. Their models are characterized by their extreme durability, based on extraordinary experien... -
We are selling our Sig.Rando display models at a special price.
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With the change of the Sig.Rando frame's basic color from October 1st, we are selling our store display model in autumn leaf red. The complete bik... -
The basic color of Sig.Rando will change starting Saturday, October 1st.
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The standard colors for Grumpy's original Sig.Rando bike will be replaced with new colors from October 1st, and all will be "powder coated." The ... -
Why are Patagonia T-shirts suitable for summer touring?
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Patagonia offers a variety of T-shirts, from casual to functional. Among them, their T-shirts designed for MTB/trail use have deodorizing properti... -
About Sig. Rando's Frame Customization Options
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The "Frame Customization Option" expands the possibilities of the Sig. Rando. Parts that couldn't be mounted on the standard frame set can now be m... -
Mr. Rando's talk on "Geometry"
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Geometry refers to the overall dimensions and angles of each part of a frame. It's the foundation that determines how a bike feels to ride and wha... -
Long rides to enjoy on the Sig. Rando! "Two key points" for comfortable long-distance cycling
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A cafe in the next town, a hot spring deep in the mountains, a ramen shop rumored to be delicious, scenic spots along the sea and mountains. Long-... -
[Sig. Rando Test Ride Event at Branch Coffee] Concluded successfully!
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![[Sig. Rando Test Ride Event at Branch Coffee] Concluded successfully!](//ride.grumpy.jp/cdn/shop/articles/IMG_7532_455x300@2x.jpg?v=1658041642)
The Pop-Up Event "Sig. Rando Test Ride at Branch Coffee," held on July 16th (Sat) and 17th (Sun), has successfully concluded! To our customers liv... -
We're adding four new standard colors to Sig.Rando!
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We are adding four new standard colors for Sig.Rando.You can choose your favorite color from a total of eight options, with no change in the frames... -
Adding a new model to Sig. Rando!
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We are adding models compatible with the "flat mount standard" to our Sig. Rando series, which is widely adopted for road and gravel bikes.
As we will also continue with post mount models, a wider range of parts is now available.
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[Sig.Rando Bike Custom]
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![[Sig.Rando Bike Custom]](//ride.grumpy.jp/cdn/shop/articles/BF81371F-76EC-48C2-AB2C-1066CDBA31C0_455x300@2x.jpg?v=1655724524)
A custom-built bicycle, one of a kind, always looks cool, no matter when you see it. This time, we'd like to introduce another stunning creation th...
![[Sig. Rando Test Ride Event at Branch Coffee] Concluded successfully!](http://ride.grumpy.jp/cdn/shop/articles/IMG_7532_455x300@2x.jpg?v=1658041642)
![[Sig.Rando Bike Custom]](http://ride.grumpy.jp/cdn/shop/articles/BF81371F-76EC-48C2-AB2C-1066CDBA31C0_455x300@2x.jpg?v=1655724524)
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