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We will be holding a test ride event for FACTOR, for those who want to really ride.
For those currently considering FACTOR bikes, we've decided to hold a test ride event so you can ...
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You can test ride bicycles from the racing bike manufacturer [FACTOR].
For a limited time, until Sunday, July 2nd, you can test ride FACTOR bicycles in-store.
FACTOR ...
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Hardtail mountain bike optimized for Japan. UnAuthorized "NEW" 33rpm
Around 20 years ago, we wanted to simply pursue the joy of mountain biking with a hardtail.
UnAut...
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Grumpy Loan is getting a "super" upgrade!
Grumpy Loan is an original loan where Grumpy covers the interest and fees for up to 48 installmen...
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The Surly Preamble Flat Bar complete bike is a new arrival.
Surly's new model, the Preamble, has arrived at Grumpy.Simple, sturdy, and compatible with many a...
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[Free Paint] Now's your chance to get a Surly Karate Monkey!
One of Grumpy's most popular MTBs, the Surly Karate Monkey, is back in stock in Japan! We current...
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We have prepared some great deals on Kona x MAVIC bikes.
Kona's Rove ST is a popular gravel road bike model.
While riding the complete bike as is is an o...
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Here's a look at a custom build of the Kona Rove ST for one of our customers.
The Kona Rove ST is a popular gravel road bike that is used for a wide range of purposes, from co...
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I tried Vittoria's top-tier racing tire, the Corsa Pro.
Vittoria is an Italian tire brand specializing in bicycles.
Among their offerings, the CORSA PRO...
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This is the "extra-large bottle" you can't do without for your summer rides!
Klean Kanteen's oversized bottles are now in stock. Each holds approximately 2 liters.
Honestly,...
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I found the perfect handlebars for my Brompton!
Brompton is popular for everything from travel to neighborhood cycling.
Due to the nature of fold...
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ASSOS Shorts Trade-In Campaign Underway (Until June 5)
We are running a campaign to give a gentle push to those who are interested in ASSOS bib shorts....
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![You can test ride bicycles from the racing bike manufacturer [FACTOR].](//www.grumpy.jp/cdn/shop/articles/DSC02562_345x345@2x.jpg?v=1687157801)
![[Free Paint] Now's your chance to get a Surly Karate Monkey!](//www.grumpy.jp/cdn/shop/articles/3EF00B9B-0733-4EA3-80B8-5F35A1E083F3_345x345@2x.jpg?v=1686547059)
![You can test ride bicycles from the racing bike manufacturer [FACTOR].](http://www.grumpy.jp/cdn/shop/articles/DSC02562_345x345@2x.jpg?v=1687157801)
![[Free Paint] Now's your chance to get a Surly Karate Monkey!](http://www.grumpy.jp/cdn/shop/articles/3EF00B9B-0733-4EA3-80B8-5F35A1E083F3_345x345@2x.jpg?v=1686547059)
