Updated 3/28: Mountain bikes and fat bikes you can buy now at Grumpy
Here are the mountain bikes currently in stock at Grumpy, and mountain bikes with known arrival dates.
In addition to downhill and trail riding, we also have models recommended for commuting, as well as used and outlet bikes.
Currently, Grumpy Loan, where Grumpy covers the installment fees, has been extended to 60 installments! Until the end of March 2023 *For total amounts of 250,000 yen or more
*The bikes listed here are in-store stock. We can also order other bikes, so please consult us if you are looking for something specific.
YETI CYCLES
【SOLD】SB140 Frameset
The most versatile and easy-to-use model among YETI's lineup. Recommended for those who prioritize fun and comfort over speed.
Frameset
M size (165-180cm) SOLD
775,000 yen (tax included)
Please consult us for customizations and reconfigurations. We also have forks and components suitable for this frame in stock.
Blog 👉 https://bit.ly/3X8G9zS
Transition
Patrol
Also recommended for those who enjoy downhill.
An enduro bike with mullet wheels that makes jumping fun.
GX-kit
RAW color
M size (170-175cm)
808,500 yen (tax included)
1 unit in stock at the store.
Grumpy Loan: Approximately 17,000 yen/month for 48 installments~
*Other sizes and colors are available for order. Please inquire.
About Transition Patrol 👉「Thinking about Mullet Wheels. The New Mullet-specific Mountain Bike Transition Patrol has arrived.」
PBJ
Chromoly dirt jump bike.
Currently, chromoly complete bikes are rare with few options.
Size: Short
Color: Translucent Copper
330,000 yen (tax included) *Immediate delivery available.
Grumpy Loan: Approximately 6,800 yen/month for 48 installments~
SANTACRUZ
【In stock in Japan】Blur 4 TR 2022

TR R-kit
Color: Dark Matter and Salmon
M size (170−175cm)
The Blur TR is a trail-specific version of the Blur cross-country race bike with increased travel. Recommended for those who want to fully enjoy MTB riding on their own two feet. It's a lightweight full-suspension mountain bike that can be enjoyed for hill climbs, long-distance trail rides, and gravel rides.
867,900 yen (tax included)
Grumpy Loan: Approximately 18,000 yen/month for 48 installments~
【NEW】Chameleon8 AL


The hardtail trail bike Chameleon has undergone a full model change.
29er or Mullet, Geared or Singlespeed. It can be used for city riding, trail riding, or bikepacking. It can adapt to any use depending on the rider's imagination.
29-inch D-kit specification
438,900 yen (tax included)
M size (165-175cm)
・Golden Yellow In stock
・Gloss Navy Blue Scheduled to arrive
Mullet S-kit specification
699,600 yen (tax included)
M size (165-175cm)
・Golden Yellow Scheduled to arrive
・Gloss Navy Blue In stock
Grumpy Loan: Approximately 9,000 yen/month for 48 installments~
Please inquire as inventory status changes frequently.
You can also use Grumpy Loan, where Grumpy covers the installment fees. Until the end of March 2023, it has been extended to 60 installments! Please take advantage of this opportunity. *For total amounts of 250,000 yen or more
We can also trade in your existing mountain bike.
While it's a difficult time to buy a bicycle, those who find what they're looking for are truly lucky.
Make your decision quickly.
KONAのファットバイクwoは取り扱いありますか?
身長が180cmなのですがサイズはMとLどっちがいいでしょうか?
はじめまして。
4月から単身赴任することになり街乗り用のマウンテンバイクを探しているのですが、
ビッグママは身長173〜4cmで乗るのはステムとか短くしても難しそうでしょうか??
こんばんは。初めまして。サーリーカラテモンキーの完成車のSサイズの在庫はまだありますでしょうか?
わかいゆたか様
シングルスピード仕様のカラテモンキーですが、フレームから組んだ場合で30万円前後から、完成車をカスタムした場合で32万円ほどです。フレームから組む場合、完成車をカスタムする場合それぞれメリットデメリットありますのでご興味ある場合はメールにてお問い合わせください。
完成車 サーリー/カラテモンキーですがシングルスピードで購入した場合の価格を教えてください。
よろしくお願いいたします。