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Build Specifications

MTB Hubs

Important information about hub compatibility

This document is intended to communicate hub dimensionsnecessary for building wheels with SRAM hubs. For more detailedinformation, please contact your SRAM Account Manager.

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Table of Contents

MTH 300 ........................................................................................................................................................................................... ........................................................................................................ 3

MTH 306 ...................................................................................................................................................................................................................................................................................................4

MTH 406/506 .................................................................................................................................................................................. ........................................................................................................ 5

MTH 716/746 ...................................................................................................................................................................................... ...................................................................................................... 6

X7/X9 QR............................................................................................................................................................................................ ...................................................................................................... 7

X9 - 12X135 REAR ............................................................................................................................................................................................................... .................................................................... 8

X9 - 12X142 REAR ...................................................................................................................................................................................................................................................................................9X9 - 15X100 FRONT .............................................................................................................................................................................................................. ................................................................ 10

X9 - 20X110 FRONT ............................................................................................................................................................................................................ ................................................................... 11

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3

HUB SPECIFICATIONS (in millimeters, unless otherwise specified)

Spoke holecount

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.

     R     E     A     R

     F     R     O     N     T

MTH 300

B E

C D

B

DC

A A

E

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HUB SPECIFICATIONS (in millimeters, unless otherwise specified)

Spoke holecount

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.

     R     E     A     R

     F     R     O     N     T

MTH 306

B

DC

B

DC

E E

AA

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     R     E     A     R

     F     R     O     N     T

MTH 406/506

B

DC

B

DC

E E

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

HUB SPECIFICATIONS (in millimeters, unless otherwise specified)

Spoke holecount

A.1 A.2B

(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.

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     R     E     A     R

     F     R     O     N     T

MTH 716/746

B

DC

B

DC

E E

A A

HUB SPECIFICATIONS (in millimeters, unless otherwise specified)

Spoke holecount

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.

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HUB SPECIFICATIONS (in millimeters, unless otherwise specified)

Spoke holecount

A.1 A.2B

(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.

     R     E     A     R

     F     R     O     N     T

X7/X9 QR

B

DC

B

DC

EE

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

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X9 - 12x135 rear

HUB SPECIFICATIONS (in millimeters, unless otherwise specified)

Spoke holecount

A(spoke hole diameter)

B(pitch circle diameter)

C(center to flange)

D

(center to flange)

E

(pitch circle diameter)

Rear 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

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X9 - 12x142 rear

HUB SPECIFICATIONS (in millimeters, unless otherwise specified)

Spoke holecount

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

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X9 - 15x100 front

HUB SPECIFICATIONS (in millimeters, unless otherwise specified)

Spoke holecount

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

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X9 - 20x110 front

B

DC

E

A.1 A.2

HUB SPECIFICATIONS (in millimeters, unless otherwise specified)

Spoke holecount

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.

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