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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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新型DURA-ACEホイール WH-R9370は何が変わった？
シマノの新型DURA-ACEホイール WH-R9370が発表されました。目玉はカーボンスポーク、前モデル比で最大220gの軽量化です。ただ、グランピーが一番いいと思っているのはハブがカップ＆コーンのままだったこと。玉受けが交換できて、回転の重さも調整できます。重量・価格・選び方と弱点、グランピーの入荷予定をまとめました。
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新型Cervélo Soloist（サーベロ ソロイスト）が入荷しました。54サイズ Black Magic、店頭でご覧いただけます
サーベロの新型ソロイストのフレームセットが入荷しました。54サイズのBlack Magic、店頭で実物をご覧いただけます。実測6.85kg・8.6W高速化・36mmタイヤ対応、税込599,500円。ほかのサイズ・完成車もご予約・ご相談受付中です。
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Thank you for bringing us together. The ultra-long-ride model "Ritchey Montebello" has just arrived.
Hello, this is Ikeda from grumpy.
We've just received a new frameset, the "Ritchey Montebello," a...
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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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【KONA SUTRA LTD】 2026 models have just arrived!
Hello, this is Ikeda from grumpy.
The 2026 model complete bike of the adventure bike that can go ...
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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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【Released September 27th!】Crust Bikes "Evasion" & "Bombora" framesets are now in stock!
We've started carrying Crust Bikes, an American bike brand that has garnered support from adventu...
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[ASSOS] MILLE GT Shell Jacket S11 Restocked!
MILLE GT Shell Jacket S11
The nights have been getting longer lately.
With morning temperature...
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[Information disclosure] Cervélo 2026 Model Test Ride Impression
Hello, I'm Saito, and I'm on my fifth day at the company. I'm still learning the ropes, but I was...
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UnAuthorized 45rpm Debut! Chromoly hardtail that excels on trail rides: Its features and how it differs from the 33rpm
The domestic brand "UnAuthorized" has introduced the 45rpm, a hardtail model designed for trails...
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
![[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)
![[Christmas Sale] Special Bikes from Grumpy's Inventory](//www.grumpy.jp/cdn/shop/articles/IMG_6378_345x345@2x.jpg?v=1765853079)
![[ASSOS] MILLE GT Shell Jacket S11 Restocked!](//www.grumpy.jp/cdn/shop/articles/ASSOS_11.32.418.18_11_fb2f00d1-7736-4e96-9576-836ea8b09ddc_345x345@2x.jpg?v=1757819021)
![[Information disclosure] Cervélo 2026 Model Test Ride Impression](//www.grumpy.jp/cdn/shop/articles/20250904_100546_345x345@2x.jpg?v=1757071562)
![[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)
![[Christmas Sale] Special Bikes from Grumpy's Inventory](http://www.grumpy.jp/cdn/shop/articles/IMG_6378_345x345@2x.jpg?v=1765853079)
![[ASSOS] MILLE GT Shell Jacket S11 Restocked!](http://www.grumpy.jp/cdn/shop/articles/ASSOS_11.32.418.18_11_fb2f00d1-7736-4e96-9576-836ea8b09ddc_345x345@2x.jpg?v=1757819021)
![[Information disclosure] Cervélo 2026 Model Test Ride Impression](http://www.grumpy.jp/cdn/shop/articles/20250904_100546_345x345@2x.jpg?v=1757071562)
