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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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Shimano GRX Limited Model is now available!
The [Shimano GRX Limited Model] is also available at Grumpy.
・Double front chainring model → Sold...
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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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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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We're adding four new standard colors to Sig.Rando!
We are adding four new standard colors for Sig.Rando.You can choose your favorite color from a to...
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[Sig.Rando Bike Custom]
A custom-built bicycle, one of a kind, always looks cool, no matter when you see it.
This time, w...
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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 Bike Custom]](//www.grumpy.jp/cdn/shop/articles/BF81371F-76EC-48C2-AB2C-1066CDBA31C0_345x345@2x.jpg?v=1655724524)
![[Sig. Rando Test Ride Event at Branch Coffee] Concluded successfully!](http://www.grumpy.jp/cdn/shop/articles/IMG_7532_345x345@2x.jpg?v=1658041642)
![[Sig.Rando Bike Custom]](http://www.grumpy.jp/cdn/shop/articles/BF81371F-76EC-48C2-AB2C-1066CDBA31C0_345x345@2x.jpg?v=1655724524)