Manual Bosch BAS100 - ABS 2021 (page 8 of 93) (All languages)

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English – 2

Product Description and

Specifications

Product features

The numbering of the components shown refers to the illus-

trations on the graphics pages at the beginning of the

manual.

Individual illustrations in these operating instructions may

differ slightly from the actual conditions depending on the

equipment of your eBike.

(1) ABS control unit with casing

(2) On-board computer

(3) ABS indicator lightA)

(4) Operating unit

(5) Front wheel brake lever

(6) Brake caliper

(7) Wheel speed sensor B)

(8) Sensor disc

A) The indicator light may be an external indicator light (as shown

in the figure) or and indicator light integrated in the display

(BUI330 and BUI350) of the on-board computer.

B) The attachment position may vary depending on the wheel man-

ufacturer.

Technical data

Bosch eBike ABS BAS100

Operating temperature °C −5…+40

Storage temperature °C +10…+40

Protection rating IPx7 (watertight)

Weight, approx. kg 1.0

Note: For a description of the brakes and how they function,

please refer to the instructions provided by the brake manu-

facturer.

How it works

When the brakes are operated, the ABS function identifies

critical slippage using the wheel speed sensors on the front

and rear wheels and limits slippage on the front wheel by re-

ducing the braking pressure and thereby stabilising the

wheel.

Once the wheel has been stabilised, precise increases in

pressure bring the wheel back up to the locking limit. This

causes the lever to move a small distance towards the

handlebars with every braking impulse. If the wheel locks

again, the pressure is reduced as before. This process is re-

peated in order to keep the wheel at the grip limit at all times

and therefore optimise exploitation of the coefficient of fric-

tion between the tyres and the ground.

The ABS function is ended when one of the following hap-

pens:

– The memory of the ABS control unit is full.

– The eBike comes to a stop.

– The rider releases the brake.

In addition to the ABS function, a system has been integ-

rated that detects when the rear wheel lifts off the ground

during heavy braking. This means that, within certain limits,

forward pitchover can be counteracted during very hard

braking manoeuvres.

Fitting

The anti-lock braking system is fully assembled by the manu-

facturer and must not be modified.

Warning! If you would like to attach other accessories to the

handlebars, bear in mind that the handlebars must be able

to turn freely at least 60° to either side from the centre posi-

tion. Crushing of fingers can be prevented by leaving a clear-

ance of 25 mm. Steering limiters may need to be fitted.

Operation

Before every journey

Check to ensure that the ABS indicator lamp is working cor-

rectly whenever you switch the system on. You can find

more information about this in the section entitled (see "The

anti-lock braking system indicator lamp",

pageEnglish – 3).

Please check the condition and roadworthiness of the eBike

before every journey. The eBike must be in perfect working

order during use.

Always check to ensure that the front- and rear-wheel brakes

are working correctly before setting off.

Check to ensure that the thickness of the brake pads and the

brake discs meet the manufacturer's specifications before

setting off.

Before the first journey

Familiarise yourself with how the brakes work and how they

respond when you actuate them, for example by practising

your braking technique away from busy roads.

Disc brakes need a while to take effect and their braking

power increases over time. You should therefore bear in

mind that the braking force may increase while braking. This

also happens after replacing the brake pads or the disc. For

information on changing the brake discs and brake pads, as

well as what to do when applying the brakes, please refer to

the instructions provided by the brake manufacturer.

During the journey

Adapt your riding style to the present riding situation, the

road conditions and your cycling abilities.

Please be aware that the anti-lock braking system may in-

crease your braking distance.

On slippery surfaces, the tyres skid more easily and there is

a greater risk of falling over. You should therefore reduce

your speed, applying the brakes in good time using a steady

pressure.

0 275 008 BAS | (24.03.2020) Bosch eBike Systems

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Bosch BAS100 - ABS 2021 Manual

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