eBike Drivetrain Service Guide

Your Tower Beach Bum V2 or Beach Babe features 7 speeds to help you tackle whatever the road may throw at you! With a 12-34 tooth cassette paired with a 52 tooth chainring, this drivetrain can help you ride comfortably whether you are climbing a steep hill or looking to go fast on flat terrain! It also comes equipped with a Rust Buster chain so that a rusty chain will never slow you down. Finally, a Shimano thumb shifter paired with the Skilful rear derailleur helps give you reliable shifting whenever you need it. This section will teach you how to maintain your drivetrain and replace any of the parts when it comes time for it.

How to Clean Your Drivetrain

This section will walk you through how to clean your chain and cassette, as well as recommendations for how often you should clean and lube your chain.

Shifting Adjustment

This section will walk through how the rear derailleur, shifter, and how to make different adjustments based on what symptoms the bike is having (ie, dropping the chain, skipping gears, etc.)

Shift Cable Install

This section covers how to install a new cable from your shifter to your rear derailleur.

Chain Install

This section will cover how to replace a worn chain on your Tower ebike.

Derailleur Install

This section will walk through how to replace the rear derailleur on your Tower electric bike.

Shifter Install

This section will walk through how to install a new shifter on your Tower ebike.

Cassette Install

This section will cover how to replace a worn cassette on the rear motor wheel.

Crankset Install

This section will cover how to install new crankarms onto your Tower electric bike.

Derailleur Hanger Adjustment

This section will cover how to adjust the derailleur hanger if it has gotten bent out of place.

Pedal Install

This section covers how to install replacement pedals onto your Tower ebike.




Everything DIY E-Bike Repairs

Homepage: eBike Repair Guide

eBike Repair Basics & Assembly

eBike Brake System Service Guide

eBike Drivetrain Service Guide

eBike Wheels & Tire Guide

eBike Electric Repair Guide

Miscellaneous eBike Service Guide