Capability-Thru Axle

Find the perfect ePure for your bike.

01

Rear Axle & Dropout Specifications

Verify the rear axle type and dropout measurements of your frame
  • Rear Over Locknut Dimension (O.L.D.): 142 mm
  • Frame anti-rotation slot: 19.1–19.8 mm

02

Rear Brake Compatibility

Confirm the rear brake system type and rotor diameter
  • Disc Brakes Only. Rim brakes are not supported.
  • The rear rotor diameter must be 160 mm or larger. If smaller than 160 mm, both the brake caliper and rotor must be upgraded to a 160 mm setup

03

Battery Placement & Dimension Limits

Ensure the frame's triangle area meets the requirements for ePure battery installation
  • Seat Tube or Down Tube bottle cage mounts.
  • Requires a clearance envelope of 250 mm (length) by 114 mm (width).
  • Mounting Hole Distance: A minimum distance of 120 mm is required from the lower bottle cage mounting hole to the tube junction to ensure proper base mounting and cable clearance.

ePure Battery Placement & Dimension Limits

Seat Tube

ePure Battery Placement & Dimension Limits

Down Tube

04

Metal Derailleur Hanger

Confirm the mounting interface on the drivetrain side

The derailleur hanger on the drivetrain side must be made of metal.

Still Not Sure?

Scan & Verify with Your Phone!

Unsure about your bike’s exact specs? No problem! Open our app and use your camera to take a photo of your bike. The step-by-step scanner will verify compatibility in seconds.

Check My Bike