Feature:

1. Anti‑falling component design properly solves the problem that the sleeve is not fixed and easy to fall off when disassembling force. With it, novices can easily disassemble the bottom bracket. The spring acts as a buffer when the sleeve is screwed out of the bottom bracket to avoid wear.
2. One‑piece structure, accurate and standard 20‑tooth design, no burrs, smooth hand feeling, perfectly fits the bicycle bottom bracket key. Precision and high compatibility, the square hole/spline bottom shaft is suitable for 20 keyways (16 keyways downward compatible).
3. Made of high‑quality carbon steel, after electrophoresis process, anti‑oxidation, with strong toughness and strength, square hole/spline bottom bracket can be used, easy to lock and force, suitable for 8mm / 0.3in hole bottom shaft.
4. Enlarge the occlusal area and stabilize the tooth profile; the sleeve teeth of the bottom bracket are tightly fitted with the keyway of the bottom bracket, and the force is uniform and continuous teeth without damaging the keyway.
5. The contact area of most sockets and wrenches on the market is too small and easy to slip. The upgraded version of the socket has an occlusal contact surface of 18mm / 0.7in, which has even force and is labor‑saving.
6. High-carbon tool steel, thickened curved teeth, not easy to damage, beneficial to protect the bottom bracket; it needs to be used with a 24mm spanner or a 1/2-inch bristle spanner.


Specification:

Item Type: Bike Accessory
Material: High Carbon Steel + Iron
Product Size:
Anti-Dropping Component Length: Approx. 11cm / 4.3in
Sleeve Length: Approx. 5.2cm / 2in
Weight: Approx. 238g / 8.4oz


Package List:

1 x Anti-Dropping Component

1 x Bottom Bracket Sleeve


How To Use

1. Prepare the sleeve and anti‑dropping tools;
2. Clamp the sleeve on the bottom bracket;
3. Pass the anti‑dropping tool through the sleeve, screw it into the middle shaft, and tighten it until it does not shake; clockwise on one side of the chain ring is loose; the side of the crank is loosened counterclockwise;
4. After locking the sleeve, use an adjustable wrench to turn the sleeve.

  • All the items will be dispatched within one business day by Airmail after the payment is clear.
  • Most times you will receive your order within 10-30 business days after we transfer your package to the delivery company. We cannot guarantee the delivery timeframe if the post office has any unexpected delays due to holiday, weather, customs, or other conditions. Some countries like Russia, Brazil, or some European countries may take up to 50 days or longer for delivery.
  • We appreciate your patience if you haven't received items in 30 days(Russian customers may need more patience by reason of the local delivery system and/or customs). If you are concerned in any way, please feel free to contact us via ebay message instead of leaving negative/neutral feedback or opening a dispute. We will do our best to solve any problem(resend or refund any missing item).
  • Customs duty is obligation and liability of citizens in your country, so buyer should be responsible for any tax and custom duty incurred. Generally, the delay or failure delivery is sometimes caused by the policy of different customs.

1. Our listing price includes the value of goods,packaging cost,and export taxes,not including international duties.
2. duties,taxes,and charges are not included in the item price or shipping fee.
3. The duties are buyers' responsibility.Please check with your country's customs office determine what these additional costs will be prior to your purchase.
4. All disputes arising from the duties will be submitted to ebay for solution.

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