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We have two special edition Sig.Rando bikes available.
Compared to the standard complete bike, this model features some different parts and is off...
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![The 2024 theme is [Exploration & Adventure] – To places unknown! I've started preparing for gravel and dirt rides!](//ride.grumpy.jp/cdn/shop/articles/IMG_1833_455x300@2x.jpg?v=1704786005)
Hello, this is Ikeda from grumpy. There are many ways to enjoy cycling, but my theme for 2024 is "exploration and adventure."
It's about focusing o...
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The "Sig.Rando Rim Brake Model" is now available for sale, allowing you to enjoy custom builds by mixing and matching new and old standard parts, r...
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The [Shimano GRX Limited Model] is also available at Grumpy.
・Double front chainring model → Sold out (available for purchase if assembled on a dis...
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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...
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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...
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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-...
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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...
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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...
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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...
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![The 2024 theme is [Exploration & Adventure] – To places unknown! I've started preparing for gravel and dirt rides!](http://ride.grumpy.jp/cdn/shop/articles/IMG_1833_455x300@2x.jpg?v=1704786005)
![[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)