Bosch - Helix Core e*spec Chainring

The Helix Core e*spec chainring by e*thirteen with direct mount installation for E-Bikes with Bosch Gen4 CX or SX motor

This e*thirteen Helix Core e*spec direct mount chainring made of steel is suitable for both Bosch Gen4 CX and SX motors due to its design. Depending on the spacer side, it generates a 53-mm or a 55-mm chainline. It is made of cold-formed steel and then heat-treated, ensuring high durability.

Guidelines for Replacing E-bike Components:

Before you replace components on your E-Bike, please note the guidelin for replacing components on CE-marked E-Bikes / Pedelecs with pedal assistance.

Specifications:

Application:

All Mountain, Enduro

Mount:

Bosch Direct Mount

Teeth:

34 T, 36 T

Gearing:

1x11-speed, 1x12-speed

Technical Information:

Offset:

13.5, 15.5 mm

Chainline:

53 mm, 55 mm

Material:

Steel (4040)

Compatibility:

• Bosch Gen4 CX Motor
• Bosch SX Motor

Features:

• Chainring for E-Bikes with Bosch Gen4 CX or SX motor
• two different offsets and chainlines possible
• strong and durable
• excellent chain retention
• made of cold-formed and then heat-treated steel
• Narrow-Wide tooth profile