Shimano Dura Ace NJS Stamped Bottom Bracket: BB-7400, 112mm x 68mm
Shimano Dura Ace NJS Stamped Bottom Bracket: BB-7400, 112mm x 68mm is backordered and will ship as soon as it is back in stock.
Item Condition
Item Condition
I grade products as honestly as possible and depict blemishes in both description and photos—please study them carefully. I tend to be overcritical and customers report items to be in better shape than expected often. From best condition to worst condition, my grading scale is as follows. Mint / near mint+ / near mint / excellent+ / excellent / great / very good / average / fair.
Shipping & Returns
Shipping & Returns
Most orders ship within 1–5 business days via USPS Priority Mail or UPS. Free shipping on qualifying orders. Refunds allowed within 30 days of receipt. 5% restocking fee applies for returns not due to Swoon Cycles' error, and for all cancelled orders to cover my card processing fee. Contact us at Zella@BikeReCyclery.com before returning. Read full return policies HERE
Description
Description
Rare track/pista bottom bracket from the Dura Ace 7400 series of the 1980's and early 1990's. This one is stamped NJS on both cups, and is Keirin approved. Black lockring.
Condition
Very good to great used condition. The bearings, cups, and races do not have pits or wear, and should spin very smoothly. The outside of the cups and lock rings have some cosmetic marks, but not too bad.
Details
- Length: 112mm (112x68)
- Threads: English 1.37 x 24
- JIS square taper
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