Blog

KONA's long-awaited new bike, the "LBF," has arrived! We also have a test ride bike available. K...

The "SURLY Preamble Complete Bicycle RAW Color Special Edition," which was proposed last year and...

Hello, Ikeda from Grumpy here. The hottest rear derailleur right now has to be the "JAB Dera...

Hello, this is Ikeda from grumpy. We've just received a new frameset, the "Ritchey Montebello," a...

Hello, this is Ikeda from grumpy. We have a new arrival: the 2026 KONA UNIT X complete bike, an a...

We've created a special "bargain" ORBEA TERRA specification! At the Grumpy store, we have one ORB...

Hello, this is Ikeda from grumpy. Ritchey is an American brand with over half a century of histor...

This bike is fun! My first impression of the ASTR was, to be honest, a bit peculiar. It's a stran...

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

If we're being particular, owning both a road bike and a gravel bike is ideal. However, consideri...

Adding a brown gradation to the popular RAW color, which reveals the steel's natural texture. If...

Are you wondering what to wear for winter cycling? Even though you feel warm while pedaling, sud...