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Those who know old carbon road bikes should really try out today's carbon road bikes.
Hello, this is Ikeda from Grumpy.
First, regarding the reasons why you might have taken a break...
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Spending holidays cafe-hopping on a road bike.
Hello, this is Ikeda.
The other day, I borrowed a carbon road bike after a long time and went caf...
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We've created gravel wheels that weigh 1300g and cost under 200,000 yen.
Ever since their release, our Grumpy-selected gravel wheelsets have been very popular.
Based on t...
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[Double Chance] Christmas Sale Announcement from Mavic Official and Grumpy
MAVIC is currently running a special Christmas season campaign.Everyone who purchases a wheel wi...
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[Christmas Sale] Special Bikes from Grumpy's Inventory
We are holding a Christmas sale limited to Grumpy's in-stock items!
Click here for the sale venue...
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KYB to release MTB suspension! Pre-orders now open
KYB's MTB suspension has been attracting attention for the past year, with prototypes gradually ...
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Now's the time to buy your Orbea e-MTB or XC bike! December-only campaign information
If you're considering an e-MTB or a full-suspension XC bike, this is for you!
This is a limited-...
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Free paint job with the purchase of a Surly Midnight Special complete bike! Limited-time offer until December 27th
Hello!
Here's an update on a paint campaign for Surly's road bike, the Midnight Special.
1. Pain...
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【〜12/15】QUOC Pop-up Store! Try on key models.
We will be carrying QUOC again at Grumpy, after a period of not being able to introduce their pr...
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Until the end of November! We have demo bikes of the [Surly Grappler] available in S and M sizes.
Among Surly's lineup, the "Grappler" model stands out as particularly distinctive.
Despite havin...
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Are radial tires really that good? I rode downhill with the Schwalbe ALBERT.
To sum it up, it was incredibly good.
Honestly, at first, I thought, "How much difference can a r...
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The "Frame Swap" Unauthorized 33rpm is complete!
The UnAuthorized 33rpm, which was requested for a rebuild from an existing hardtail, is now compl...
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![[Double Chance] Christmas Sale Announcement from Mavic Official and Grumpy](//www.grumpy.jp/cdn/shop/articles/1_36588735-b281-4084-b63e-afb2ff7109ef_345x345@2x.webp?v=1765599585)
![[Christmas Sale] Special Bikes from Grumpy's Inventory](//www.grumpy.jp/cdn/shop/articles/IMG_6378_345x345@2x.jpg?v=1765853079)
![Until the end of November! We have demo bikes of the [Surly Grappler] available in S and M sizes.](//www.grumpy.jp/cdn/shop/articles/IMG_6093_505d937b-8131-438d-a707-e41d6c2c9647_345x345@2x.jpg?v=1763449524)
![[Double Chance] Christmas Sale Announcement from Mavic Official and Grumpy](http://www.grumpy.jp/cdn/shop/articles/1_36588735-b281-4084-b63e-afb2ff7109ef_345x345@2x.webp?v=1765599585)
![[Christmas Sale] Special Bikes from Grumpy's Inventory](http://www.grumpy.jp/cdn/shop/articles/IMG_6378_345x345@2x.jpg?v=1765853079)
![Until the end of November! We have demo bikes of the [Surly Grappler] available in S and M sizes.](http://www.grumpy.jp/cdn/shop/articles/IMG_6093_505d937b-8131-438d-a707-e41d6c2c9647_345x345@2x.jpg?v=1763449524)
