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.
January 11, 2026
Hello, this is Ikeda from grumpy.
The 2026 model complete bike of the adventure bike that can go anywhere, the KONA SUTRA LTD, has finally arrived....
September 19, 2025
We've started carrying Crust Bikes, an American bike brand that has garnered support from adventure riders worldwide. They arrived at Grumpy today....
Posted in
crust ,
キャンプツーリング ,
クロモリ ,
クロモリフレーム ,
グラベル ,
グラベルツーリング ,
グラベルバイク ,
グラベルロード ,
グラベルロードバイク ,
ツーリング ,
ツーリングバイク
January 19, 2024
We have two special edition Sig.Rando bikes available.
Compared to the standard complete bike, this model features some different parts and is off...
September 23, 2023
We received a maintenance request for a Surly Pugsley from a customer who purchased it about 8 years ago.
After not riding it for a while, the ...
September 5, 2023
LEYNE has renewed its lights, introducing new models after approximately four years.
What kind of lights are the new models?
While there are vario...
Posted in
eMTB ,
LEZYNE ,
MTB ,
MTB / マウンテンバイク ,
オールロードバイク ,
キャンプ ,
キャンプツーリング ,
クロモリロードバイク ,
グラベル ,
グラベルツーリング ,
グラベルバイク ,
グラベルロード ,
ツーリング ,
ツーリングバイク ,
デイキャンプ ,
フロントライト ,
マウンテンバイク ,
ライト ,
ロードバイク ,
自転車通勤 ,
街乗り ,
通勤
July 21, 2023
One Sig. Rando frameset in Yomogi color is available for immediate delivery.
The frame color is "Yomogi," the basic color of the GRX limited model...
June 13, 2023
Surly's new model, the Preamble, has arrived at Grumpy.Simple, sturdy, and compatible with many accessories, it's the perfect first bike for anyone...
July 1, 2022
The Sig.Rando owner's meeting was held the other day.Owners of Sig.Rando bikes gathered, and I was glad to see them interacting.We interviewed ...
June 28, 2022
One of the great things about the Sig.Rando is how easy it is to transfer parts from your old bike.The frameset uses common standards, so you can ...
June 21, 2022
Titled: "Show us your Sig.Rando"This Sunday, the 26th, Sig. Rando bikes and their owners will gather at Grumpy.
We will be displaying Sig.Rando ...
April 30, 2022
Sig.Rando was born as Grumpy's original bicycle.
We are grateful to so many customers for their support, which has allowed us to continue selling ...
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
![The Most Beautiful Bicycle Is the One You Ride — My Partner, Sig.Rando [Staff Bike Feature #02]](//ride.grumpy.jp/cdn/shop/articles/20260413-DSC_0216_455x300@2x.jpg?v=1776736727)
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.
Hello, this is Ikeda from grumpy. The 2026 model complete bike of the adventure bike that can go anywhere, the KONA SUTRA LTD, has finally arrived....
We've started carrying Crust Bikes, an American bike brand that has garnered support from adventure riders worldwide. They arrived at Grumpy today....
We have two special edition Sig.Rando bikes available. Compared to the standard complete bike, this model features some different parts and is off...
We received a maintenance request for a Surly Pugsley from a customer who purchased it about 8 years ago. After not riding it for a while, the ...
LEYNE has renewed its lights, introducing new models after approximately four years. What kind of lights are the new models? While there are vario...
One Sig. Rando frameset in Yomogi color is available for immediate delivery. The frame color is "Yomogi," the basic color of the GRX limited model...
Surly's new model, the Preamble, has arrived at Grumpy.Simple, sturdy, and compatible with many accessories, it's the perfect first bike for anyone...![[Updated July 1st] Main complete bike and frame stock information](//ride.grumpy.jp/cdn/shop/articles/DSC06509_455x300@2x.jpg?v=1656677078)
The Sig.Rando owner's meeting was held the other day.Owners of Sig.Rando bikes gathered, and I was glad to see them interacting.We interviewed ...![[Sig. Rando Bike Custom]](//ride.grumpy.jp/cdn/shop/articles/IMG_6148_455x300@2x.jpg?v=1656395606)
One of the great things about the Sig.Rando is how easy it is to transfer parts from your old bike.The frameset uses common standards, so you can ...
Titled: "Show us your Sig.Rando"This Sunday, the 26th, Sig. Rando bikes and their owners will gather at Grumpy. We will be displaying Sig.Rando ...
Sig.Rando was born as Grumpy's original bicycle. We are grateful to so many customers for their support, which has allowed us to continue selling ...
![The Most Beautiful Bicycle Is the One You Ride — My Partner, Sig.Rando [Staff Bike Feature #02]](http://ride.grumpy.jp/cdn/shop/articles/20260413-DSC_0216_455x300@2x.jpg?v=1776736727)
![[Updated July 1st] Main complete bike and frame stock information](http://ride.grumpy.jp/cdn/shop/articles/DSC06509_455x300@2x.jpg?v=1656677078)
![[Sig. Rando Bike Custom]](http://ride.grumpy.jp/cdn/shop/articles/IMG_6148_455x300@2x.jpg?v=1656395606)
