15
Technical Notes
Technical Notes
Disc brake
dimensions
Shimano disc brakes are designed to fit the frame and fork as shown below.
(The dimensions shown below are as same as the International Standard disc brake mount.)
The following mount dimensions (A~H) for each model are recommended.
The gray area should be flat.
Note:
A bent brake mount may result in interference between the brake pad and rotor causing noise.
Disc brake mount dimensions
Front fork dimensions
ø6.2
±
0.1
ø6.2
±
0.1
R87.3
±
0.1
R49.7
±
0.1
5
1
±
0
.1
25 (max.)
4
±
0.1
+1
0
7
F
F
C
A
A
G
G
D
D
B
B
C
Dimension
Cap type
Wiring type
Cap type
Wiring type
BR-M965
BR-M755
BR-M555
BR-M525
BR-M515
BR-C601
BR-M475
BR-C501
BR-M965
BR-M755
BR-M555
BR-M525
BR-M515
BR-C601
BR-M475
BR-C501
6mm
6mm
6mm
8mm
8mm
A
(min)
60
60
60
-
-
60
60
30
45
65
45
B
°
(min)
D
(max)
C
°
(min)
F
°
(min)
H
(min)
G
°
(max)
12mm
-
-
8mm
8mm
-
-
-
45
50
45
-
-
60
-
30
45
-2.5mm
-6.5mm
1mm
1mm
4mm
1mm
Model
Model
Part: A
Part: A
Part: B
Dimension
6mm
6mm
6mm
8mm
8mm
A
(min)
60
60
30
45
90
-
60
60
60
45
-
45
B
°
(min)
D
(max)
C
°
(min)
F
°
(min)
H
(min)
G
°
(max)
8mm
-
10mm
8mm
6.5mm
8mm
-
-
-
45
10
-
-
-
-
40
-2.5mm
-6.5mm
1mm
1mm
4mm
1mm
Part: B
H
