Build Specifications MTB Hubs Important information about hub compatibility This 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................................................................................................................................................................................................................................................... 6 X0 - FRONT HUB ..................................................................................................................................................................................................................................................................................... 7 X0 - BOOST 110 FRONT HUB ................................................................................................................................................................................................................................................................ 8 X0 - REAR HUB ....................................................................................................................................................................................................................................................................................... 9 X0 - BOOST 148 REAR HUB ................................................................................................................................................................................................................................................................ 10 X0 DH - REAR HUB ................................................................................................................................................................................................................................................................................ 11 X9 - 20X110 FRONT HUB.......................................................................................................................................................................................................................................................................12 X9 - 15X100 FRONT HUB.......................................................................................................................................................................................................................................................................13 X9 - 12X142 REAR HUB......................................................................................................................................................................................................................................................................... 14 X9 - 12X135 REAR HUB......................................................................................................................................................................................................................................................................... 15 X7/X9 - QR FRONT AND REAR HUB.................................................................................................................................................................................................................................................. 16 MTH 716/746 - FRONT AND REAR HUB.............................................................................................................................................................................................................................................17 MTH 716/746 - BOOST 110/148 FRONT AND REAR HUB............................................................................................................................................................................................................... 18 MTH 406/506 - FRONT AND REAR HUB.......................................................................................................................................................................................................................................... 19 MTH 306 - FRONT AND REAR HUB................................................................................................................................................................................................................................................... 20 MTH 300 - FRONT AND REAR HUB....................................................................................................................................................................................................................................................21 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. 3 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. 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 Predictive Steering Front Hub A.1 A.2 B E C D HUB SPECIFICATIONS Spoke hole count 32 or 28 A.1 A.2 (spoke hole diameter) 2.7 2.7 B C D E (pitch circle diameter) (center to flange) (center to flange) (pitch circle diameter) 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. 6 E B Quick Release with Torque Caps C E B C D E B C D Quick Release with Torque Caps are compatible with RockShox Quick Release forks only. 20 x 110 mm Thru Axle Quick Release A 15 x 100 mm Thru Axle X0 - Front Hub D E B C D HUB SPECIFICATIONS Spoke hole count 32 or 28 A B C D E (spoke hole diameter) (pitch circle diameter) (center to flange) (center to flange) (pitch circle diameter) 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. 7 X0 - Boost 110 Front Hub E B C 15 x 110 mm Thru Axle with Torque Caps 15 x 110 mm Thru Axle Quick Release A E B C D B D E C D HUB SPECIFICATIONS Spoke hole count 32 A B C D E (spoke hole diameter) (pitch circle diameter) (center to flange) (center to flange) (pitch circle diameter) 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. 8 Quick Release A E B E B D C 12 x 142 mm Thru Axle C 12 x 135 mm Thru Axle X0 - Rear Hub D E B C D HUB SPECIFICATIONS Spoke hole count 32 or 28 A B C D E (spoke hole diameter) (pitch circle diameter) (center to flange) (center to flange) (pitch circle diameter) 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. 9 12 x 148 mm Thru Axle X0 - Boost 148 Rear Hub A E B C D HUB SPECIFICATIONS Spoke hole count 32 A B C D E (spoke hole diameter) (pitch circle diameter) (center to flange) (center to flange) (pitch circle diameter) 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.. 10 12 x 157 mm Thru Axle X0 DH - Rear Hub A E B 12 x 150 mm Thru Axle C D A E B C D HUB SPECIFICATIONS Spoke hole count 32 A B C D E (spoke hole diameter) (pitch circle diameter) (center to flange) (center to flange) (pitch circle diameter) 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. 11 X9 - 20x110 Front Hub A.1 A.2 B E C D HUB SPECIFICATIONS Spoke hole count 32 A.1 A.2 (spoke hole diameter) 2.5 2.7 B C D E (pitch circle diameter) (center to flange) (center to flange) (pitch circle diameter) 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. 12 X9 - 15x100 Front Hub A B E C D HUB SPECIFICATIONS D Spoke hole count A (spoke hole diameter) B (pitch circle diameter) C (center to flange) (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. 13 X9 - 12x142 Rear Hub A B E C D 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. 14 X9 - 12x135 Rear Hub A B E C D HUB SPECIFICATIONS Spoke hole count A (spoke hole diameter) B (pitch circle diameter) C (center to flange) D E (center to flange) (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. 15 X7/X9 - QR Front and Rear Hub A.2 A.1 A.2 REAR FRONT A.1 B B E C E D C D HUB SPECIFICATIONS Spoke hole count Front Rear 32 A.1 A.2 (spoke hole diameter) 2.5 2.7 B C D E (pitch circle diameter) (center to flange) (center to flange) (pitch circle diameter) 22.05 33.45 34.4 20.4 58 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. 16 MTH 716/746 - Front and Rear Hub A B E C 12 x 142 mm Thru Axle 15 x 100 mm Thru Axle A B E D C D HUB SPECIFICATIONS Front Rear Spoke hole count A (spoke hole diameter) B (pitch circle diameter) 32 2.5 58 C (center to flange) D (center to flange) 22.3 32.3 34 20.4 E (pitch circle diameter) 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. 17 MTH 716/746 - BOOST 110/148 Front and Rear Hub A B E C 12 x 148 mm Thru Axle 15 x 110 mm Thru Axle A B E D C D HUB SPECIFICATIONS Front Rear Spoke hole count A (spoke hole diameter) B (pitch circle diameter) 32 2.5 58 C (center to flange) D (center to flange) 25.5 35.5 35.6 21.6 E (pitch circle diameter) 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. 18 MTH 406/506 - Front and Rear Hub A.2 A.1 A.2 REAR FRONT A.1 B E C B E D C D HUB SPECIFICATIONS Spoke hole count Front Rear 32 A.1 A.2 (spoke hole diameter) 2.5 2.7 B C D E (pitch circle diameter) (center to flange) (center to flange) (pitch circle diameter) 21.9 32.9 34.4 20.4 58 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. 19 MTH 306 - Front and Rear Hub A REAR FRONT A B B E C E D C D HUB SPECIFICATIONS Front Rear Spoke hole count A (spoke hole diameter) B (pitch circle diameter) 32 2.5 58 C (center to flange) D (center to flange) E (pitch circle diameter) 21.8 33 58 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. 20 MTH 300 - Front and Rear Hub A REAR FRONT A B B E C E D C D HUB SPECIFICATIONS Front Rear Spoke hole count A (spoke hole diameter) 32 2.5 B (pitch circle diameter) C (center to flange) D (center to flange) E (pitch circle diameter) 38 34.5 34.5 38 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. 21 www.sram.com ©2015 SRAM, LLC Gen.0000000004718 Rev C
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