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I built a special commuter bike using Shimano CUES and Sig.rando.
I've been vaguely thinking about it for a while now: my dream commuter bike plan, built with Sig....
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Only a few left! MAVIC wheels are now on sale at old prices.
The popular Grumpy All Road series and KSYRIUM series aluminum wheel sets.They actually increase...
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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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Update 3/20: Bikes available for immediate purchase and stock status
【Updates】
・Brompton C line Explore Mid w/Rack Matte Black has arrived.
・Brompton C line Explore ...
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[Until March 12] MAVIC ALLROAD wheels are 10% off
The MAVIC ALLROAD wheels, offering the best cost performance, are on a 10% off sale until March ...
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We are selling our Sig.Rando display models at a special price.
With the change of the Sig.Rando frame's basic color from October 1st, we are selling our store d...
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Cutting-edge, pre-built wheelset MAVIC ALLROAD SL ROAD+(650B)
Hello, this is Ikeda from grumpy. I recently received a consultation from a customer who rides a ...
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Is 650B suitable for hill climbs? Cycling Hiroshima's well-known hill climb spots [Mt. Noro edition]
We often hear people say that this video inspired them to get into hill climbing and that they'l...
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Wheel customization for the Sig.Rando, which can accommodate three sizes: 26-inch, 650B, and 700c.
Wheel change customization can make the same bicycle feel like a completely different ride.
So...
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![[Until March 12] MAVIC ALLROAD wheels are 10% off](//www.grumpy.jp/cdn/shop/articles/L1020678_345x345@2x.jpg?v=1678182209)
![Is 650B suitable for hill climbs? Cycling Hiroshima's well-known hill climb spots [Mt. Noro edition]](//www.grumpy.jp/cdn/shop/articles/IMG_7930_2_345x345@2x.jpg?v=1655620924)
![[Until March 12] MAVIC ALLROAD wheels are 10% off](http://www.grumpy.jp/cdn/shop/articles/L1020678_345x345@2x.jpg?v=1678182209)
![Is 650B suitable for hill climbs? Cycling Hiroshima's well-known hill climb spots [Mt. Noro edition]](http://www.grumpy.jp/cdn/shop/articles/IMG_7930_2_345x345@2x.jpg?v=1655620924)
