Kmc - Corona E-BIKE DIRECT MOUNT BOSCH GEN4 NS 1 x 11/12V Variant:38 teeth, black, 47.5 mm chain line The less rigid Gum-X3D rubber

The less rigid Gum-X3D rubber compound improves trajectory control and terrain versatility

85% polyester / 15% spandex

Recommended use: Gravel - Road

_ Chrome finish

While high-performance material technologies make it particularly light and stable

Kmc - Corona E-BIKE DIRECT MOUNT BOSCH GEN4 NS 1 x 11/12V Variant:38 teeth, black, 47.5 mm chain line The less rigid Gum-X3D rubberSpeeds: 1v 8v 9v 10v 11 12v Bolt circle diameter (BCD): Bosch Direct Mount Shape: round Perfectly fits KMC chains e1 e8 e9 e10 e11 e12 Use: E Bike Number of front chainrings: 1x Speeds: 12v Number of chainring teeth: 38 Bolt circle diameter (BCD): Direct mount Chainring mounting type: Bosch Direct Mount Anti drop teeth with Narrow Wide profile: Yes Chainring shape: Round Chainring offset: 4. 5 mm Material: Steel Color: Black Secondary color: Black,