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変速がないMTBを、わざわざ選ぶのはなぜ？｜KONA UNIT
こんにちは、grumpyの池田です。
変速も、サスペンションもないMTB。便利な自転車がいろいろある中で、わざわざそんな一台を選ぶのはなぜでしょうか？
KONA UNITは、シンプルな構成だから...
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[KONA UNIT X] The 2026 model has just arrived.
Hello, this is Ikeda from grumpy.
We have a new arrival: the 2026 KONA UNIT X complete bike, an a...
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2024 KONA ROVE and UNIT - Now accepting reservations
Pre-orders are now open for KONA's 2024 models.
KONA offers many recommended models for 2024, inc...
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Cinelli "Tutto Plus" is a single-speed bike perfect for city riding.
This time, I'd like to introduce a custom commuter build of the "cinelli" "Tutto Plus," which h...
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Just-right single speed hub
The standard for bicycle hubs has changed dramatically in the past few years. While that change h...
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A kit that can convert any bike to a single speed. This is about converting a geared hub to a single speed.
There are two key points when building a single-speed bike.
These are the frame standard and the...
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![[KONA UNIT X] The 2026 model has just arrived.](//www.grumpy.jp/cdn/shop/articles/DSC_0027-1_3bb1c1c7-7bbc-4e6d-bb0c-bde20c58899d_345x345@2x.jpg?v=1768877689)
![[KONA UNIT X] The 2026 model has just arrived.](http://www.grumpy.jp/cdn/shop/articles/DSC_0027-1_3bb1c1c7-7bbc-4e6d-bb0c-bde20c58899d_345x345@2x.jpg?v=1768877689)
