Bulls 21-21-1003, Translation Of The Original Operating Instructions

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MY21B05 - 12_1.0_21.10.2020
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Contents
6.15.7 Starting the ANT connection 76
6.15.8 Starting the Bluetooth® LE connection 76
6.16 Brake 77
6.16.1 Using the brake lever 77
6.17 Suspension and damping 78
6.17.1 Suspension fork compression adjuster 78
6.17.1.1 Adjusting the Suntour compression
adjuster 79
6.17.1.2 Adjusting the RockShox compression
adjuster 80
6.17.1.3 Adjusting the RockShox rear frame
damper threshold 80
6.18 Gear shift 81
6.18.1 Using the derailleur gears 81
6.19 Parking the pedelec 82
7 Cleaning and servicing 83
7.1 Cleaning after each ride 84
7.1.1 Cleaning the suspension fork 84
7.1.2 Cleaning the pedals 84
7.2 Basic cleaning 84
7.2.1 Cleaning the frame 84
7.2.2 Cleaning the stem 84
7.2.3 Cleaning the wheel 84
7.2.4 Cleaning the drive elements 85
7.2.5 Cleaning the chain 85
7.2.6 Cleaning the battery 85
7.2.7 Cleaning the on-board computer 85
7.2.8 Cleaning the motor 85
7.2.9 Cleaning the brake 86
7.2.10 Cleaning the saddle 86
7.3 Servicing 86
7.3.1 Servicing the frame 86
7.3.2 Servicing the stem 86
7.3.3 Maintaining the suspension fork 86
7.3.4 Servicing the drive elements 86
7.3.5 Servicing the pedals 86
7.3.6 Servicing the chain 86
7.4 Maintenance 87
7.4.1 Wheel 87
7.4.1.1 Checking the tyres 87
7.4.1.2 Checking the rims 87
7.4.1.3 Checking and adjusting the tyre
pressure
87
7.4.1.4 Checking and adjusting the tyre
pressure – Schrader valve
88
7.4.2 Brake system 88
7.4.3 Checking the brake linings for wear 88
7.4.4 Checking the pressure point 88
7.4.5 Checking the brake discs for wear 88
7.4.6 Checking the electrical cables and
brake cables 89
7.4.7 Checking the gear shift 89
7.4.8 Checking the stem 89
7.4.9 Checking the USB port 89
7.4.10 Checking the chain tension 89
8 Maintenance 90
8.1 Suspension system 91
8.1.1 Rear frame damper 91
8.1.2 Suspension fork 92
8.1.3 Suspension seat post 93
8.2 Axle with quick release 93
8.2.1 Checking the quick release 94
8.3 Maintaining the stem 94
8.4 Adjusting the gear shift 94
8.4.1 Cable-operated gear shift, single-cable 94
8.4.2 Cable-operated gear shift, dual-cable 95
8.4.3 Cable-operated twist grip, dual-cable 95
9 Troubleshooting, fault clearance
and repair
96
9.1 Troubleshooting and fault clearance 96
9.1.1 Drive system or on-board computer
does not start up
96
9.1.2 Warning and error messages 96
9.1.3 Errors in the assistance system 96
9.1.4 Battery error 98
9.1.5 On-board computer error 99
9.1.6 Lighting does not work 99
9.1.7 Other errors 100
9.1.8 Suspension fork 101
9.1.8.1 Rebound too fast 101
9.1.8.2 Rebounding too slowly 102
9.1.8.3 Suspension too soft on inclines 103
9.1.8.4 Excessively hard damping on bumps 104
9.1.9 Rear frame damper 105
9.1.9.1 Rebound too fast 105
9.1.9.2 Rebounding too slowly 106
9.1.9.3 Suspension too soft on inclines 107
9.1.9.4 Excessively hard damping on bumps 108
9.2 Repair 109
9.2.1 Original parts and lubricants 109
9.2.2 Replacing the lighting 109
9.2.3 Adjusting the headlight 109
9.2.4 Tyre clearance check 109
10 Recycling and disposal 110
11 Documents 111
11.1 Parts list 111
11.1.1 Sonic AMS1 Carbon 111
11.1.2 Sonic AMS2 Carbon 112
11.1.3 Sonic AMSL Carbon 113
11.1.4 Sonic ENS1 Carbon 114
11.1.5 Sonic ENS2 Carbon 115
11.2 Assembly report 116
11.3 Maintenance instructions 118