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Technical Information
Sheet
MD-1 and Activa braking systems have certain differences between them; the pads, the discs and the system of adjust-
ment of the internal pad. A rapid method of knowing which is which is the colour of the levers: the MD-1 levers are red
whilst the Activa levers are black.
It is important to underline that the pads of the Activa braking system are compatible with the MD-1 pincers as long as the
Activa disc is utilised. The methods of intervention are pointed out in this manual.
LIST OF TOOLS:
- TORX T25 spanner (disc screws);
- 5mm hexagonal spanner (pincer
attachment screw);
- 8mm open spanner (wire-grip
screw);
- 3mm hexagonal spanner (wire-
grip screw/Md-1 lever screw);
- 4mm hexagonal spanner (Activa
lever screw);
- 2.5mm hexagonal spanner (MD-1
external pad adjustment grub
screw/Activa internal pad screw)
- Small-bladed screwdriver (Activa
external pads);
- Fine-point pincers (pad fixing
tongue);
- 17mm open spanner (pincer fix-
ing screw);
- Pincer fixing spanner code FD
40010-60 (MD-1/Activa);
INTRODUCTION
Our disc brakes with hydraulic controls have been
designed to obtain the maximum in braking performance
level, reliability, safety and lightness of components. To
maintain these characteristics it is necessary that the cor-
rect sized brakes are installed on the bicycle bearing in
mind the greater pressure that these brakes transmit.
Badly installed or badly maintained brakes can diminish
the braking efficiency and can cause dangerous situations
for the safety of the cyclist. This manual has been pro-
duced to instruct the personnel who are specialised in the
assembly, reassembly and maintenance procedures of
these brakes and also as information for the user about
the general notes and the safety norms to follow in case
of interventions by the user.
GENERAL NOTES:
- It must be noted that any maintenance or repair inter-
vention carried out during the guarantee period that do
not respect the suggested advice of this instruction
manual will cancel the guarantee forthwith. The use of
non-original spare parts will also cancel the guarantee
- Utilise only the special tools; do not substitute with any
other equipment because it could irreparably ruin the
component. All tools must be in good condition.
- Utilise cleaning and lubricating products that are prefer-
ably biodegradable and do not dispose of the used fluid
in the environment.
- Always operate in a clean place and equipped with ade-
quate work clothing as prescribed by the safety norms.
- Always keep a first aid kit available.
GENERAL NORMS
This technical information sheet is intended as a guide for
the correct and safe use and assembly of the braking sys-
tem and for its reasonable maintenance.
Constantly observing the norms indicated in this manual
guarantee the best performance, use and long life of the
braking system and avoids the more common causes of
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8A
accidents that could occur during use or maintenance.
The following symbols are utilised in every paragraph in
this manual:
WARNING: The inobservance of the advice
quoted could cause damage to the equipment.
ATTENTION: The inobservance of the advice
quoted could cause damage to either equip-
ment or the user.
ATTENTION: Carefully read the SAFETY
NORMS so as to guarantee the correct use of
the braking system.
GENERAL SAFETY NORMS
· To carry out correctly all the procedures of
removal, reassembly and overhaul it is necessary
to have an adequate technical specialisation, a
perfect knowledge of the braking system and to
have completely read this technical information
sheet.
· Do not place the hands near or into moving parts.
Utilise five-finger robust gloves that do not
reduce the sensitivity and the strength of grip.
· Instruct the user to not alter the parameters of
the braking system to obtain a performance dif-
ferent to the performance foreseen by the design
and testing department of Formula.
· Before starting assembly operations examine the
work area for possible dangerous conditions. Do
not work in the dark – use as much lighting as
possible and check that they are efficient.
· Concentrate on making sure that all precautions
have been taken before starting any work so that
the use of the components will not cause damage.
- 1 -
Activa
MD1
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25
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SAFETY NORMS OF THE BRAKING SYSTEM
· The disc brake must be assembled on wheels that
are adapted for this type of use. A wheel with
insufficient section radius or with radial engage-
ment of the spokes can collapse under the brak-
ing action exercised by the braking system and
can cause serious damage or accidents.
· Frequently check the tension and the condition of
the spokes. A damaged spoke could break and
interfere with the braking system thereby caus-
ing serious damage or accidents.
· The frame and the fork of the bicycle must be
predisposed to the assembly of the braking sys-
tem. It is only in this way that the correct dimen-
sions of the supports and the correct positioning
of the components can be guaranteed.
· THE BRAKING SYSTEM NEEDS A CERTAIN PERI-
OD OF SETTLING DOWN TO OBTAIN MAXIMUM
EFFICIENCY.
Cable attachment
Attacco cavo
Leva tipo per pinza ACTIVA
Type of lever for the ACTIVA pincer
· THE BRAKING SYSTEM HAS BEEN DESIGNED
AND MUST BE UTILISED ONLY WITH HANDLE-
BAR LEVERS THAT ARE OF THE V-BRAKE TYPE
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22
21
18
20
19
Min 35mm
Min 35mm
Fulcrum
Fulcro

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Summary of Contents for Formula MD1

  • Page 1 Formula. - Always operate in a clean place and equipped with ade- · Before starting assembly operations examine the quate work clothing as prescribed by the safety norms.
  • Page 2: Installation

    F and bend it to 90° immediately after screws with screws of the correct length. the cable grip F. Consult the table below for the “X” distances: MD1 / Activa with a 42mm lever with a 35mm lever 42.5...
  • Page 3: Maintenance

    Activa version MD-1 version Adjust pommel N to bring the Utilising a 3mm hexagonal spanner, unscrew the fixing external pad to the desired screw O of the pincer lever P. Utilising a 2.5mm hexagonal distance from the brake disc spanner, screw the fixed internal grub screw Q in a clock- to obtain the correct action.
  • Page 4 11d: Using a 4mm spanner, unscrew the screw (8) as SUBSTITUTION OF THE BRAKE PADS shown in the figure. N.B.: The numbers in parentheses indicate the reference of the parts in the exploded view. Activa version Remove the cable from the lever of the braking system without unscrewing the cable grip.
  • Page 5 15a, 15b: Assembly Insert the external pad first, positioning it with the nib part downwards. Utilising a small-bladed screwdriver, press as shown in the figure. Reassemble the protection K into its seat. Insert the internal pad fixing it with the security tongue A (20) that must be bent with a pair of pincers and with the fixing screw B (21).
  • Page 6 21a, 21b: Organic/sintered external pad assembly WARNING: If the support R slides out from the ball bearing carrier during the substitu- tion of the pad carrier S it will be necessary to reposition it in such a way that the tooth Q on the ball bearing carrier is aligned with the angle of the hexagon of the piston as shown in the figure.

This manual is also suitable for:

Activa