Base for mid-drive motor chainring, easy to install and use.
Made of high-quality aluminum alloy, sturdy and with nice durability.
Suitable for M400 M300 M200 M215 M410 M315 M420 mid drive motors.
Features: Base for mid-drive motor chainring, easy to install and use. Made of high-quality aluminum alloy, sturdy and with nice durability. Suitable for M400 M300 M200 M215 M410 M315 M420 mid drive motors. Specifications: Model: Chainring Kit/ Chainring Base(optional) Color: Black Material: Aluminum Alloy(Protective Disc+Base) + Chromium-Molybdenum Steel(Chainring) Applicability: M400 M300 M200 M215 M410 M315 M420 Mid Drive Motor BCD: 104BCD Protective Disc Diameter: 185mm/ 7.3in Chainring Diameter: 175mm/ 6.9in Item Weight: Chainring Kit: 285g/ 10.1oz                      Chainring Base: 75g/ 2.6oz Packing List: 1 * Chainring Base