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Bosch parts torque specs and tool required


Components

Tool

Tightening Torque

Purion

Clamp the mount to the handlebar

3mm Allen Key

1nm


Components

Tool

Tightening Torque

Intuvia

Clamp the mount to the handlebar

3mm Allen Key

1nm

Intuvia on mount

Phillips Screwdriver size PH02

1nm

Clamp the control unit on the handlebar

Allen Key Socket

1nm

Control unit cable on the Purion mount

Phillips Screwdriver Size PH00

Lightly tighten by hand


Components

Tool

Tightening Torque

Kiox

Mount on stem (Ahead mount)

Depends on the screw on the Ahead mount

Follow specs from the Ahead mount manufacturer; max 15nm

Kiox on mount

Phillips Screwdriver size PH02

0.5nm

Mounting plate on the mount

2.5mm Allen Key

1nm

Cable box on the mounting plate

2.5mm Allen Key

Lightly tighten by hand

Clamp control unit on the handlebar

2.5mm Allen Key

1mn

Control unit cable on the Kiox mount

Phillips Screwdriver PH00

Lightly tighten by hand


Components

Tool

Tightening Torque

Nyon

Base plate on the mount

Torx T10

1nm

Nyon on mount

Torx T10

0.5nm

Clamp mount on the handlebars

2.5mm Allen Key

1nm

Control unit on the handlebar

2.5mm Allen Key

1nm

Control unit cable on the Nyon mount

2.5mm Allen Key

Lightly tighten by hand


Components

Tool

Tightening Torque

SmartphoneHub

Clamps on mount, clamps on handlebar

2.5mm Allen Key

1nm

Central strut on stem, Smartphonehub on central strut

2.5mm Allen Key

1nm

Universal mount on SmartphoneHub

Phillips Screwdriver size PH0

0.5nm

Clamp control unit on the handlebar

2.5mm Allen Key

1nm

Control unit cable on SmartphoneHub mount

Phillips Screwdriver size PH00

Lightly tighten by hand


Components

Tool

Tightening Torque

PowerTube

Aluminum plate on the L-shape mount

Torx T25

5nm

Mount system on L-shape mount / U-shape mount

Torx T25

5nm

Lock on threaded flange

Torx T20

4nm


Components

Tool

Tightening Torque

Rack Battery

Lock cover on the key cylinder

Torx T15

2nm


Components

Tool

Tightening Torque

Frame Battery

Mount adapter on frame

Torx T25

4nm

Mount casing

Torx T15

2nm

Lock on frame

4mm Allen Key

4 – 5nm

Lock cover on the lock

Torx T15

2nm


Components

Tool

Tightening Torque

Drive Unit BDU330 / 380 / 385 / 386

Drive Unit on the frame interface

13mm Hexagonal Socket Wrench

28 – 30nm

Mounting plate on the Drive Unit

Torx T30

Initial assembly (self-tapping), 13 – 15nm

Subsequent assemblies (existing thread) 9 – 11nm

Chain guard adapter on Drive Unit

Torx T20

Accoring to manufacturer specs, max 5nm

Design cover

Torx T20

2nm

Front section of design cover on housing

Torx T20

Initial assembly (self-tapping) 2nm, subsequent assembly 1.5nm

Lock ring on the Drive Unit

Spider Tool

30nm

Crank arms on the bottom bracket shaft

8mm Allen Key

Follow manufacturer specs


Components

Tool

Tightening Torque

Drive Unit BDU480 CX / 490P

Drive Unit on the frame interface

Torx Plus 40

20nm + or – 2nm

Chain guard adapter on Drive Unit

5mm Allen Key

According to manufacturers specs, max 5nm

Design Cover

Torx T20

Initial assembly (self-tapping) 3nm, subsequent assembly 2nm

Design cover on the chainring side

Torx T20

Initial assembly (self-tapping) 3nm, subsequent assembly 2nm

Lock ring on the Drive Unit

Spider Tool

30nm

Crank arms on bottom bracket shaft

6mm Allen Key

Follow manufacturer specs

Mounting plates (CCP) on the Drive Unit

Torx Plus 25 IPR

8nm


Components

Tool

Tightening Torque

Speedsensor Standard

Sensor on frame

Torx T20

3nm

Spoke Magnet

Philips Screwdriver size PH02

1nm


Components

Tool

Tightening Torque

Speedsensor Slim

Sensor clip on the open end or frame

Torx T20

0.8nm

Updated on December 21, 2022

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