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Build SpecificationsMTB Hubs
Important information about hub compatibilityThis document is intended to communicate hub dimensions necessary for building wheels with SRAM hubs. For more detailed information, please contact your SRAM Account Manager.
Table of Contents
PREDICTIVE STEERING FRONT HUB ..................................................................................................................................................................................................................................................6X0 - FRONT HUB .................................................................................................................................................................................................................................................................................... 7X0 - BOOST 110 FRONT HUB ............................................................................................................................................................................................................................................................... 8X0 - REAR HUB ......................................................................................................................................................................................................................................................................................9X0 - BOOST 148 REAR HUB ............................................................................................................................................................................................................................................................... 10X0 DH - REAR HUB ............................................................................................................................................................................................................................................................................... 11X9 - 20X110 FRONT HUB ......................................................................................................................................................................................................................................................................12X9 - 15X100 FRONT HUB ......................................................................................................................................................................................................................................................................13X9 - 12X142 REAR HUB ........................................................................................................................................................................................................................................................................ 14X9 - 12X135 REAR HUB ........................................................................................................................................................................................................................................................................ 15X7/X9 - QR FRONT AND REAR HUB ................................................................................................................................................................................................................................................. 16MTH 716/746 - FRONT AND REAR HUB ............................................................................................................................................................................................................................................17MTH 716/746 - BOOST 110/148 FRONT AND REAR HUB .............................................................................................................................................................................................................. 18MTH 406/506 - FRONT AND REAR HUB ......................................................................................................................................................................................................................................... 19MTH 306 - FRONT AND REAR HUB .................................................................................................................................................................................................................................................. 20MTH 300 - FRONT AND REAR HUB ...................................................................................................................................................................................................................................................21
3
All dimensions are in millimeters unless otherwise noted. Images in this document are not to scale.
Your product's appearance may vary slightly from the images in this document.Information in this document is subject to change without prior notice.
If you have any questions please contact your SRAM representative.
WA R N I N G• Use only 10 mm length rotor bolts. Rotor bolts longer than 10 mm are not compatible with SRAM hubs and will not secure the rotor to the wheel hub.
Length 10 mm
WA R N I N G
Do NOT use a radial or 1 cross lacing pattern as it may damage your hubs. Lacing patterns less than 2 cross will void your warranty.
Radial 1 Cross
6
Predictive Steering Front Hub
B
DC
E
A.2
HUB SPECIFICATIONS
Spoke hole count
A.1 A.2 B (pitch circle diameter)
C(center to flange)
D(center to flange)
E (pitch circle diameter)(spoke hole diameter)
32 or 28 2.7 2.7 50 26 34 46
Do NOT use a radial or 1 cross lacing pattern as it may damage your hubs. Lacing patterns less than 2 cross will void your warranty.
A.1
7
HUB SPECIFICATIONS
Spoke hole countA
(spoke hole diameter)B
(pitch circle diameter)C
(center to flange)D
(center to flange)E
(pitch circle diameter)
32 or 28 2.7 49 22 34 46.5
Do NOT use a radial or 1 cross lacing pattern as it may damage your hubs. Lacing patterns less than 2 cross will void your warranty.
X0 - Front Hub
A
B
DC
E
B
DC
E
B
DC
E
B
DC
E15
x 1
00
mm
Thr
u A
xle
Qui
ck R
elea
se
20 x
110
mm
Thr
u A
xle
Qui
ck R
elea
se w
ith
Torq
ue C
aps
Quick Release with Torque Caps are compatible with RockShox Quick Release forks only.
8
HUB SPECIFICATIONS
Spoke hole countA
(spoke hole diameter)B
(pitch circle diameter)C
(center to flange)D
(center to flange)E
(pitch circle diameter)
32 2.7 49 27 39 46.5
Do NOT use a radial or 1 cross lacing pattern as it may damage your hubs. Lacing patterns less than 2 cross will void your warranty.
X0 - Boost 110 Front Hub
A
B
DC
E B
DC
E
15 x
110
mm
Thr
u A
xle
Qui
ck R
elea
se15
x 1
10 m
m
Thr
u A
xle
wit
h To
rque
Cap
s
E
DC
B
9
HUB SPECIFICATIONS
Spoke hole countA
(spoke hole diameter)B
(pitch circle diameter)C
(center to flange)D
(center to flange)E
(pitch circle diameter)
32 or 28 2.7 50 34.25 20.5 57
These specificaions are also applicable to hubs with an XD driver body. Do NOT use a radial or 1 cross lacing pattern as it may damage your hubs. Lacing patterns less than 2 cross will void your warranty.
12 x
135
mm
Thr
u A
xle
Qui
ck R
elea
se
12 x
14
2 m
m T
hru
Axl
e
X0 - Rear Hub
B
DC
E B
DC
E
B
DC
E
A
10
HUB SPECIFICATIONS
Spoke hole countA
(spoke hole diameter)B
(pitch circle diameter)C
(center to flange)D
(center to flange)E
(pitch circle diameter)
32 2.7 50 37.25 23.5 57
These specificaions are also applicable to hubs with an XD driver body. Do NOT use a radial or 1 cross lacing pattern as it may damage your hubs. Lacing patterns less than 2 cross will void your warranty..
12 x
14
8 m
m T
hru
Axl
eX0 - Boost 148 Rear Hub
B
DC
E
A
11
HUB SPECIFICATIONS
Spoke hole countA
(spoke hole diameter)B
(pitch circle diameter)C
(center to flange)D
(center to flange)E
(pitch circle diameter)
32 2.7 50 41.75 28 57
These specificaions are also applicable to hubs with an XD driver body. Do NOT use a radial or 1 cross lacing pattern as it may damage your hubs. Lacing patterns less than 2 cross will void your warranty.
12 x
157
mm
Thr
u A
xle
12 x
150
mm
Thr
u A
xle
X0 DH - Rear Hub
A
B
DC
E
A
B
DC
E
12
X9 - 20x110 Front Hub
HUB SPECIFICATIONS
Spoke hole count
A.1 A.2 B (pitch circle diameter)
C(center to flange)
D(center to flange)
E (pitch circle diameter)(spoke hole diameter)
32 2.5 2.7 58 22.65 31.85 45
Do NOT use a radial or 1 cross lacing pattern as it may damage your hubs. Lacing patterns less than 2 cross will void your warranty.
B
DC
E
A.1 A.2
13
X9 - 15x100 Front Hub
HUB SPECIFICATIONS
Spoke hole count
A (spoke hole diameter)
B (pitch circle diameter)
C (center to flange)
D(center to flange)
E (pitch circle diameter)
32 2.5 58 22.4 32.4 58
Do NOT use a radial or 1 cross lacing pattern as it may damage your hubs. Lacing patterns less than 2 cross will void your warranty.
B
DC
E
A
14
X9 - 12x142 Rear Hub
HUB SPECIFICATIONS
Spoke hole count
A (spoke hole diameter)
B (pitch circle diameter)
C (center to flange)
D (center to flange)
E (pitch circle diameter)
32 2.5 58 34.25 20.25 58
Do NOT use a radial or 1 cross lacing pattern as it may damage your hubs. Lacing patterns less than 2 cross will void your warranty.
B
DC
E
A
15
X9 - 12x135 Rear Hub
HUB SPECIFICATIONS
Spoke hole count
A (spoke hole diameter)
B (pitch circle diameter)
C (center to flange)
D(center to flange)
E(pitch circle diameter)
32 2.5 58 34.15 20.35 58
Do NOT use a radial or 1 cross lacing pattern as it may damage your hubs. Lacing patterns less than 2 cross will void your warranty.
B
DC
E
A
16
HUB SPECIFICATIONS
Spoke hole count
A.1 A.2 B (pitch circle diameter)
C(center to flange)
D(center to flange)
E (pitch circle diameter)(spoke hole diameter)
Front32 2.5 2.7 58
22.05 33.4545
Rear 34.4 20.4
Do NOT use a radial or 1 cross lacing pattern as it may damage your hubs. Lacing patterns less than 2 cross will void your warranty.
RE
AR
FR
ON
TX7/X9 - QR Front and Rear Hub
B
DC
B
DC
EE
A.1 A.1A.2 A.2
17
12 x
14
2 m
m T
hru
Axl
e
15 x
10
0 m
m T
hru
Axl
eMTH 716/746 - Front and Rear Hub
B
DC
B
DC
E E
A A
HUB SPECIFICATIONS
Spoke hole count
A (spoke hole diameter)
B (pitch circle diameter)
C (center to flange)
D (center to flange)
E (pitch circle diameter)
Front32 2.5 58
22.3 32.358
Rear 34 20.4
Do NOT use a radial or 1 cross lacing pattern as it may damage your hubs. Lacing patterns less than 2 cross will void your warranty.
18
12 x
14
8 m
m T
hru
Axl
e
15 x
110
mm
Thr
u A
xle
MTH 716/746 - BOOST 110/148 Front and Rear Hub
B
DC
B
DC
E E
A A
HUB SPECIFICATIONS
Spoke hole count
A (spoke hole diameter)
B (pitch circle diameter)
C (center to flange)
D (center to flange)
E (pitch circle diameter)
Front32 2.5 58
25.5 35.558
Rear 35.6 21.6
Do NOT use a radial or 1 cross lacing pattern as it may damage your hubs. Lacing patterns less than 2 cross will void your warranty.
19
RE
AR
FR
ON
TMTH 406/506 - Front and Rear Hub
B
DC
B
DC
E E
A.1 A.1A.2 A.2
HUB SPECIFICATIONS
Spoke hole count
A.1 A.2 B (pitch circle diameter)
C(center to flange)
D(center to flange)
E (pitch circle diameter)(spoke hole diameter)
Front32 2.5 2.7 58
21.9 32.945
Rear 34.4 20.4
Do NOT use a radial or 1 cross lacing pattern as it may damage your hubs. Lacing patterns less than 2 cross will void your warranty.
20
HUB SPECIFICATIONS
Spoke hole count
A (spoke hole diameter)
B (pitch circle diameter)
C (center to flange)
D (center to flange)
E (pitch circle diameter)
Front32 2.5 58
21.8 33 58
Rear 34.4 20.4 58
Do NOT use a radial or 1 cross lacing pattern as it may damage your hubs. Lacing patterns less than 2 cross will void your warranty.
RE
AR
FR
ON
TMTH 306 - Front and Rear Hub
B
DC
B
DC
E E
AA
21
HUB SPECIFICATIONS
Spoke hole count
A (spoke hole diameter)
B (pitch circle diameter)
C (center to flange)
D (center to flange)
E (pitch circle diameter)
Front32 2.5
38 34.5 34.5 38
Rear 45 33.7 20.1 45
Do NOT use a radial or 1 cross lacing pattern as it may damage your hubs. Lacing patterns less than 2 cross will void your warranty.
RE
AR
FR
ON
TMTH 300 - Front and Rear Hub
B E
C D
B
DC
A A
E
©2015 SRAM, LLC Gen.0000000004718 Rev C
www.sram.com