The Most Beautiful Bicycle Is the One You Ride — My Partner, Sig.Rando [Staff Bike Feature #02]
April 19, 2026
Introducing Sig.Rando, the grumpy original chromoly touring bike that's been the companion of our staff member, Ikeda, who's owned over 40 bikes. We'll be covering its custom configuration, cargo capacity, and comfort during Audax rides, brought to you by Grumpy, a bicycle select shop in Hiroshima.
[Old Mountain Bike Style] Sig.Rando complete bikes get a new lineup addition.
December 2, 2024
A new style of complete bike has been added to Grumpy's original bike, the Sig.Rando. It's ca...
I built a special commuter bike using Shimano CUES and Sig.rando.
March 5, 2024
I've been vaguely thinking about it for a while now: my dream commuter bike plan, built with Sig....
We have prepared a special edition complete bike for Mr. Rando.
January 19, 2024
We have two special edition Sig.Rando bikes available.
Compared to the standard complete bike, t...
The 2024 theme is [Exploration & Adventure] – To places unknown! I've started preparing for gravel and dirt rides!
January 9, 2024
Hello, this is Ikeda from grumpy. There are many ways to enjoy cycling, but my theme for 2024 is ...
Stock of the Sig.Rando in M size is running low.
November 21, 2023
Regarding the Grumpy original bike, the Sig.Rando, we are running low on M size frame sets.
The L...
[Sig.Rando & KOGO] Titanium Original Head Badges Now Available!
September 10, 2023
We have added a titanium head badge option for our Grumpy original bikes, the Sig.Rando and KOGO...
Yomogi-colored Sig.Rando frame & fork set at a special price.
July 21, 2023
One Sig. Rando frameset in Yomogi color is available for immediate delivery.
The frame color is ...
Due to a change in our display models, we are offering the Sig.Rando complete bike at a special price.
May 21, 2023
To make space for new display bikes, we are offering the Sig.Rando complete bike display models a...
We are adding a new "microSHIFT model" to the Sig.Rando complete bicycle.
October 14, 2022
We re-evaluated what a complete bike needs for an enjoyable ride and reconfigured its parts.The...
The basic color of Sig.Rando will change starting Saturday, October 1st.
September 18, 2022
The standard colors for Grumpy's original Sig.Rando bike will be replaced with new colors from ...
Update 9/16: Bikes Available for Purchase and Stock Status
September 16, 2022
【Updates】
・Surly Midnightspecial RAW color special model - Sold out
・Sig.Rando RAW color special...
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![The Most Beautiful Bicycle Is the One You Ride — My Partner, Sig.Rando [Staff Bike Feature #02]](//www.grumpy.jp/cdn/shop/articles/20260413-DSC_0216_345x345@2x.jpg?v=1776736727)
![[Old Mountain Bike Style] Sig.Rando complete bikes get a new lineup addition.](//www.grumpy.jp/cdn/shop/articles/DSC07767_345x345@2x.jpg?v=1733114709)
![The 2024 theme is [Exploration & Adventure] – To places unknown! I've started preparing for gravel and dirt rides!](//www.grumpy.jp/cdn/shop/articles/IMG_1833_345x345@2x.jpg?v=1704786005)
![[Sig.Rando & KOGO] Titanium Original Head Badges Now Available!](//www.grumpy.jp/cdn/shop/articles/DSC07386_345x345@2x.jpg?v=1694315968)
![The Most Beautiful Bicycle Is the One You Ride — My Partner, Sig.Rando [Staff Bike Feature #02]](http://www.grumpy.jp/cdn/shop/articles/20260413-DSC_0216_345x345@2x.jpg?v=1776736727)
![[Old Mountain Bike Style] Sig.Rando complete bikes get a new lineup addition.](http://www.grumpy.jp/cdn/shop/articles/DSC07767_345x345@2x.jpg?v=1733114709)
![The 2024 theme is [Exploration & Adventure] – To places unknown! I've started preparing for gravel and dirt rides!](http://www.grumpy.jp/cdn/shop/articles/IMG_1833_345x345@2x.jpg?v=1704786005)
![[Sig.Rando & KOGO] Titanium Original Head Badges Now Available!](http://www.grumpy.jp/cdn/shop/articles/DSC07386_345x345@2x.jpg?v=1694315968)
