The rail guides a PowerTube battery in and out of the down tube, and its edge protection helps shield the battery and frame opening from knocks. This genuine Bosch replacement rail is for PowerTube 500 (BBP375Y) smart system batteries.

Highlights

• Genuine Bosch eBike Systems spare part
• For PowerTube 500 (BBP375Y) batteries
• Includes edge protection
• Horizontal and Vertical versions

Where it's used

Bosch builds the smart system PowerTube 500 around an axial mounting design, where the battery slides lengthways into the frame. This rail is for retractable mounting in a closed down tube, per the supplier's parts description.

Why orientation matters

Bosch lists horizontal and vertical rails to suit how the battery is integrated in the frame. Choose the one that matches your battery and the rail you are replacing.

Orientations

Compatibility & fit

For axial-mounted PowerTube 500 (BBP375Y) batteries of the Bosch smart system. It does not suit PowerTube 500 batteries from earlier Bosch systems or other PowerTube capacities. Match the orientation to the part you are replacing or to your bike maker's parts list. This is a frame-integration part usually fitted by the bike maker or a workshop. Fitting is a separate Tune Cycles workshop service and is not included in the price.