Bosch drive unit and battery comparison charts

Bosch drive unit comparison

Quite simply, the CX motor can deliver more power than the Speed motor (up to 75 Nm for the CX vs 63 Nm for the Speed), while the Speed motor has a higher top speed (28 MPH for the Speed vs 20 MPH for the CX). In addition the CX motor has eMTB mode which automatically adjusts the level of assist based on how hard the rider pushes on the pedals. The CX motor will be best for most riders, and the Speed motor is best for experienced cyclists who prefer to ride faster than 20 MPH.

Performance motor CX motor

Speed motor

Motor name and line Performance Line Cruise Performance Line CX Performance Line Speed
Maximum support up to 20 MPH 20 MPH 28 MPH
Gear type Derailleur system Derailleur system Derailleur system
Power 250 W (575 max) 250 W (600 max) 350 W (575 max)
Support Level (%) TURBO: 275 
SPORT: 190 
TOUR: 120
ECO: 50
TURBO: 300
eMTB: 120-300
TOUR: 120
ECO: 50
TURBO: 275
SPORT: 190
TOUR: 120
ECO: 55
Maximum possible drive torque (Nm)(converted to a gear ratio of 1:1 crankset to chainring) TURBO: 63 
SPORT: 55 
TOUR: 50
ECO: 40
TURBO: 75
eMTB: 75
TOUR: 50

ECO: 40

TURBO: 63
SPORT: 55
TOUR: 50

ECO: 40

Maximum cadence (rpm) with drive support TURBO: 120 
SPORT:120 
TOUR: 120 ECO: 120
TURBO: 120
eMTB: 120
TOUR: 120

ECO: 120

TURBO: 120
SPORT:120
TOUR: 120

ECO: 120

Start-up behaviour Sporty Very sporty Sporty
Backpedal function None None None
Gear shift detection Yes Yes, dynamic Yes
Weight approx. ~9 lbs. ~9 lbs. ~9 lbs.

Bosch battery information

PowerPack 500
Mounting type Frame mount
Voltage 36 V
Capacity 13.4 aH
Energy content approx. 500 Wh
Weight approx. 5.7 lbs.
Size of battery: 325 X 92 X 90 mm
Dual battery compatible Yes
Typical Range 25 – 50 miles

Bosch battery charge times

400 Wh 500 Wh 800 Wh 1000 Wh
50% charge Compact Charger 2.5 hours 3.5 hours 5 hours 7 hours
50% charge Standard Charger 1.5 hours 2 hours 3 hours 4 hours
100% charge Compact Charger 6.5 hours 7.5 hours 13 hours 15 hours
100% charge Standard Charger 3.5 hours 4.5 hours 7 hours 9 hours

Bosch battery best practice

Lithium-ion batteries are not only light, they also have a long service life. Bosch PowerPacks are designed for many tours, distances and years of use. However, a precise life span is impossible to forecast. The battery’s service life will depend mainly on the nature and duration of the stress to which it is subjected. Here are some tips for best maintenance and practice:

– Store the battery in a dry environment and protect it from direct sunlight at a room temperature of around 59°F (15°C) to 68°F (20°C). 

– Ideally, recharge the battery at room temperature. 

– The ideal charging level for a battery is between 30% and 60%. 

– When transporting an eBike, remove the battery from the bike and store it safely in the car.