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2Pcs O-Ring 1270016119 for Mounting Chainring BDU4XX Compatible with Bosch 37YY 31YY 38YY E-Bike Spider Seal
4.6 (89 items)
Limited Time SaleUntil the end
01
28
01
$4.09 cheaper than the new price!!
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New $6.81
Product details
| Management number | 237427358 | Release Date | 2026/07/10 | List Price | $2.72 | Model Number | 237427358 | ||
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- Application: Used to secure the chainring or spider when the lockring is loose, preventing movement during pedaling.
- Compatibility: Compatible with Bosch Performance Line Speed BDU4XX, Cargo Line BDU4XX, and models 37YY, 31YY, 38YY.
- Material: Made from NBR (nitrile rubber), offering flexibility and reliable sealing performance under typical e-bike conditions.
- Dimensions: Measures 28 mm inner diameter with 1.8 mm thickness, designed for precise fit on the chainring assembly.
- Replacement Use: Designed to replace worn or missing O-rings to maintain chainring stability and proper drivetrain function.
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