KMC Chainring Direct Mount 55mm For. Bosch - Black

This Bosch BDU38/34 chainring from KMC is a direct-mount e-bike chainring designed specifically for Bosch Drive Units BDU38 and BDU34. The 34-tooth steel chainring features a narrow-wide tooth profile that enhances chain engagement and guidance, making it ideal for 1x drivetrains with 8 to 12-speed rear gearing. With a 55 mm pitch and compatibility with 1/2" x 11/128" chains, it pairs perfectly with KMC e-bike chains including e1, e8, e9, e10, e11, e12, eGlide, and DLC12. Be sure to check the Bosch drive unit and direct-mount interface before placing your order.

- Direct-mount chainring for Bosch BDU38 and BDU34 drive units
- 34-tooth setup suits compatible 1x e-bike drivetrains
- Narrow-wide tooth profile improves chain retention and guidance
- Suitable for 8-, 9-, 10-, 11-, and 12-speed rear drivetrains
- Designed for use with 1/2" x 11/128" chains
- Well matched to KMC e1, e8, e9, e10, e11, e12, eGlide, and DLC12 chains

Specifications
Brand: KMC
Type: Direct-Mount Chainring
Mounting: Direct Mount
Number of Teeth: 34
Front Gearing: 1-speed
Rear Gearing Compatibility: 8/12S
Chain Compatibility: 1/2" x 11/128"
Tooth Profile: Narrow-Wide
Pitch: 55 mm
Material: Steel
Color: Black