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 HUB ................................................................................................................................................................................................................................................................4X0 FRONT HUB WITH SIDE SWAP™ SYMMETRICAL END CAPS .................................................................................................................................................................................................. 5BOOST 110 FRONT HUB WITH SIDE SWAP™ SYMMETRICAL END CAPS ...................................................................................................................................................................................6X0 REAR HUB WITH SIDE SWAP™ SYMMETRICAL END CAPS .................................................................................................................................................................................................... 7BOOST 148 REAR HUB WITH SIDE SWAP™ SYMMETRICAL END CAPS ..................................................................................................................................................................................... 8X9 - 20X110 FRONT ................................................................................................................................................................................................................................................................................9X9 - 15X100 FRONT .............................................................................................................................................................................................................................................................................. 10X9 - 12X142 REAR .................................................................................................................................................................................................................................................................................. 11X9 - 12X135 REAR ..................................................................................................................................................................................................................................................................................12X7/X9 QR .................................................................................................................................................................................................................................................................................................13MTH 716/746 .......................................................................................................................................................................................................................................................................................... 14

WA R N I N G• Use only 10 mm length rotor bolts. Rotor bolts longer than 10 mm will not secure the rotor to the wheel hub.

Length 10 mm

4

Predictive Steering hub

B

DC

E

B.1

HUB SPECIFICATIONS (in millimeters, unless otherwise specified)

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 lacing pattern as it may damage your hubs. Radial lacing will void your warranty.

A.1

5

HUB SPECIFICATIONS (in millimeters, unless otherwise specified)

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 lacing pattern as it may damage your hubs. Radial lacing will void your warranty.

X0 Front Hub with Side Swap™ Symmetrical End Caps

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.

6

HUB SPECIFICATIONS (in millimeters, unless otherwise specified)

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 lacing pattern as it may damage your hubs. Radial lacing will void your warranty.

Boost 110 Front Hub with Side Swap™ Symmetrical End Caps

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

7

HUB SPECIFICATIONS (in millimeters, unless otherwise specified)

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 lacing pattern as it may damage your hubs. Radial lacing 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 with Side Swap™ Symmetrical End Caps

B

DC

B

DC

E

B

DC

E

E

A

8

HUB SPECIFICATIONS (in millimeters, unless otherwise specified)

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 lacing pattern as it may damage your hubs. Radial lacing will void your warranty.

12 x

14

8 m

m T

hru

Axl

eBoost 148 Rear Hub with Side Swap™ Symmetrical End Caps

B

DC

E

A

9

X9 - 20x110 front

B

DC

E

A.1 A.2

HUB SPECIFICATIONS (in millimeters, unless otherwise specified)

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 lacing pattern as it may damage your hubs. Radial lacing will void your warranty.

10

X9 - 15x100 front

HUB SPECIFICATIONS (in millimeters, unless otherwise specified)

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 lacing pattern as it may damage your hubs. Radial lacing will void your warranty.

B

DC

E

A

11

X9 - 12x142 rear

HUB SPECIFICATIONS (in millimeters, unless otherwise specified)

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 lacing pattern as it may damage your hubs. Radial lacing will void your warranty.

B

DC

E

A

12

X9 - 12x135 rear

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 lacing pattern as it may damage your hubs. Radial lacing will void your warranty.

B

DC

E

A

13

HUB SPECIFICATIONS (in millimeters, unless otherwise specified)

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 lacing pattern as it may damage your hubs. Radial lacing will void your warranty.

RE

AR

FR

ON

TX7/X9 QR

B

DC

B

DC

EE

A.1 A.1A.2 A.2

14

12 x

14

2 m

m T

hru

Axl

e

15 x

10

0 m

m T

hru

Axl

eMTH 716/746

B

DC

B

DC

E E

A A

HUB SPECIFICATIONS (in millimeters, unless otherwise specified)

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 lacing pattern as it may damage your hubs. Radial lacing will void your warranty.

15

12 x

14

8 m

m T

hru

Axl

e

15 x

110

mm

Thr

u A

xle

BOOST 110/148

B

DC

B

DC

E E

A A

HUB SPECIFICATIONS (in millimeters, unless otherwise specified)

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 lacing pattern as it may damage your hubs. Radial lacing will void your warranty.

16

RE

AR

FR

ON

TMTH 406/506

B

DC

B

DC

E E

A.1 A.1A.2 A.2

HUB SPECIFICATIONS (in millimeters, unless otherwise specified)

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 lacing pattern as it may damage your hubs. Radial lacing will void your warranty.

17

HUB SPECIFICATIONS (in millimeters, unless otherwise specified)

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 lacing pattern as it may damage your hubs. Radial lacing will void your warranty.

RE

AR

FR

ON

TMTH 306

B

DC

B

DC

E E

AA

18

HUB SPECIFICATIONS (in millimeters, unless otherwise specified)

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 lacing pattern as it may damage your hubs. Radial lacing will void your warranty.

RE

AR

FR

ON

TMTH 300

B E

C D

B

DC

A A

E

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