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こんにちは、grumpyの池田です。 変速も、サスペンションもないMTB。便利な自転車がいろいろある中で、わざわざそんな一台を選ぶのはなぜでしょうか？ KONA UNITは、シンプルな構成だから...

重い側のギアが足りない、というご相談からSURLYブリッジクラブをカスタム。通勤車の700C化と40T、キャンプツーリング車の650Bを維持したFORMOSA 165mmクランクと40T。使い方に合わせた2台の事例を紹介します。

10回目のパーマネントに向けた池田のRitchey Montebello。飲み物や補給食の置き方から、新たに取り付けたRestrap Switch Rackまで、現在のロングライド装備を紹介します。

Hello, this is Ikeda from grumpy. The 2026 model complete bike of the adventure bike that can go ...

We've started carrying Crust Bikes, an American bike brand that has garnered support from adventu...

During the rainy season, it's common for weather forecasts to be wrong. Even when the forecast is...

Regarding the Grumpy original bike, the Sig.Rando, we are running low on M size frame sets. The L...

LEYNE has renewed its lights, introducing new models after approximately four years. What kind o...

Recently, our staff member Takenoshita went for a ride along the riverbed on his Surly Bridgeclub...

One Sig. Rando frameset in Yomogi color is available for immediate delivery. The frame color is ...

The Surly Preamble is a versatile bike that can be used for everything from commuting to cycling....

Having started handling the latest road bike manufacturers, we learned the greatness and fun of c...