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【A Drivetrain for Life】What's so great about the Madrone Jab Derailleur that cycling fanatics fall in love with it?
Hello, Ikeda from Grumpy here.
The hottest rear derailleur right now has to be the "JAB Dera...
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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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Temporary Closure Notice: Tuesday, June 10th
Thank you for always choosing Grumpy.On Tuesday, June 10th, our physical store and online shop wi...
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[Temporary Closure Notice: April 16-20] We will be exhibiting at Cycle Mode Tokyo!
Thank you for always choosing Grumpy.
We are pleased to announce that we will be exhibiting at C...
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Up to 84 installments available! The New Grumpy Loan
Want to buy a bicycle but a lump-sum payment is difficult?For those individuals, we offer an adv...
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KONA Gravel and Mountain Bike Test Rides Available
Hello, this is Ikeda from grumpy.
We have KONA gravel and mountain bike test rides available....
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Do you need suspension forks on your gravel bike?
It's more fun with an answer.
To support that answer, we received the Cane Creek Invert SL gravel...
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New Year's Holiday Business Hours and Special Campaign Announcement
We will be closed during the following period. Reservations, inquiries, and online shop orders r...
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MTB Summer Sale 2023 announcement. Until August 13th.
Here's a great offer for those considering buying a mountain bike.
👉 MTB Summer Sale 2023 👈
Y...
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Business hours during the Obon period
Regarding business hours during the Obon period, Grumpy stores will be closed from August 15th ...
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Cannondale Road Bike Test Rides and Test Ride Events
Cannondale road bike test rides are available.
The models available for test rides are as follows...
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Goodyear Road Bike Tires x Shimano ULTEGRA C36 Test Ride Wheels Announcement.
Goodyear has a long history, spanning over 120 years. In 1971, its tires even landed on the moon ...
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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)
![[Temporary Closure Notice: April 16-20] We will be exhibiting at Cycle Mode Tokyo!](//www.grumpy.jp/cdn/shop/articles/P1002729_1_345x345@2x.jpg?v=1744522607)
![[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)
![[Temporary Closure Notice: April 16-20] We will be exhibiting at Cycle Mode Tokyo!](http://www.grumpy.jp/cdn/shop/articles/P1002729_1_345x345@2x.jpg?v=1744522607)
