Quick Summary
The Lanturn Bike Crank Bearing 4-piece set is a bicycle crank bearing replacement part with a stated ball size of 5/16 in x 9 balls. It is meant for bike crank and bottom bracket replacement work, so the key buying check is whether the size matches the bike you plan to service.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Brand | Lanturn, the named product line. |
| Product type | Bicycle crank bearing replacement set for bike parts replacement. |
| Quantity | 4 pieces, which affects whether you need a full replacement set or spare parts. |
| Ball size | 5/16 in x 9 balls, the key fit detail to compare before buying. |
| Outside diameter | 1.74 in / 44.5 mm, a size check for compatibility. |
| Inside diameter | 1.26 in / 32.5 mm, another fit measurement to compare before ordering. |
What to Compare Before Buying
- Size: Compare the stated outside diameter, inside diameter, and ball size with the bearing you are replacing.
- Quantity: This set includes 4 pieces, so confirm that matches the repair you plan to complete.
- Application: The set is described for bicycle crank and bottom bracket replacement, so check that your bike uses this style of bearing.
- Bike type: The item is named for bicycles such as kids bicycles, mountain bikes, lowrider bikes, and stretch bicycles, but the size is still the deciding factor.
Before You Decide
Confirm the 5/16 in x 9 balls size, the 44.5 mm outside diameter, and the 32.5 mm inside diameter before choosing an offer. Because this is a replacement bearing set, fit depends on matching the exact bearing dimensions used on your bike.
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