Description
SHIMANO BB-ES51は、信頼性の高いオクタリンク規格を採用したカートリッジ式ボトムブラケット。剛性とスムーズさを兼ね備えた設計により、踏み込んだ力を無駄なく推進力へと変換します。
高精度ベアリングが生み出す滑らかな回転は、長距離ライドでも疲労を軽減。優れた耐久性により、日々の通勤からスポーツライドまで幅広く対応し、安定したパフォーマンスを持続します。
さらに、シールド構造によって汚れや水の侵入を抑制し、過酷な環境でも安心。メンテナンスの手間を減らしながら、長く使える信頼性を提供します。
※一度取り付け済みとなります。展示に伴う小さな傷があります。
[SPEC]
アクスルタイプ:オクタリンク
ネジピッチ:36 × 24T
シェル幅:68mm
軸長:118mm
- Orders are shipped within 1–2 business days after payment is confirmed. Orders placed by 10:00 AM are generally shipped the same day.
- Messenger delivery is available within Nagoya City only (excluding complete bikes and framesets).
- We ship every day from Monday through Sunday, except on temporary closure days.
- Shipping destinations: throughout Japan and worldwide.
- Shipment may be delayed depending on credit card processing. If you would like to request a delivery date or time, please add a note in your cart.
- All orders are shipped from Circles.
- For damage or loss during transit, please contact the carrier.
Complete Bike Shipping within Japan
- A shipping fee of ¥9,900 (tax included) applies to complete bikes. Additional charges may apply for Okinawa and remote islands.
- After purchase, we perform a final inspection before shipping. Please allow 1–2 weeks in some cases.
- For packing, some parts may be removed. We strongly recommend having the bike reassembled and checked by your local bicycle shop before riding.
- We will contact you by email with delivery details.
- Products are also sold in-store, so availability may change before the order is finalized.
Frameset Shipping within Japan
- Flat-rate shipping within Japan: ¥5,500 (tax included). Additional charges may apply for Okinawa and remote islands.
- Shipping rates for OMNIUM framesets and complete bikes differ.
- We will contact you by email with delivery details.
- Facing and tapping preparation for framesets purchased from Circles is available at no additional charge. Details will be provided after purchase.
- Headset and bottom bracket installation are also available for an additional labor fee. Please contact us if required.
Custom & Stock Wheel Shipping within Japan
- A shipping fee of ¥2,000 (tax included) applies. Additional charges may apply for Okinawa and remote islands.
- Stock wheels undergo a final inspection by a mechanic before shipping. Please allow approximately 3 business days for dispatch.
For international orders, shipping costs vary by destination. Please check the amount shown at checkout.

![[Sold As Is] SHIMANO BB-ES51 Bottom Bracket](http://shop.circles-jp.com/cdn/shop/files/Circles-SHIAMNO-BB-ES51-cc00002.jpg?v=1777365722&width=800)