Wheel Type

Hub Series

Brake Type

Position

Spacing

ENDCAPS

Part HAX2637

HAX2637
Endcap - 1/1 | Hydra - MTN - RR - 12x142/148/157/177/197mm - DS - HG/XD
Part HAX2644

HAX2644
Endcap - 1/1 | Hydra | SOLiX - MTN/RD - RR - 12x142/148/157/177/197mm - DS - MS
Part HAXOR18

HAXOR18
O-Ring - Hydra - MTN - Front CL Endcap O-Ring - 1x18mm
Part HAXOR34

HAXOR34
O-Ring - Hydra - MTN - Front 6B Endcap O-Ring - 1/16" x 3/4"
Part HAXOR916

HAXOR916
O-Ring - 1/1 | Hydra | SOLiX - MTN - Rear Driveside Endcap O-Ring - 1/16" x 9/16"
Part HKMA03

HKMA03
Small Parts - Hydra - MTN - FR - 15mm Endcap Kit 15x110 (2 x HAX2622)
Part HKMA05

HKMA05
Small Parts - Hydra - MTN - FR - 15mm "Torque Cap" Kit - for 31mm inset forks (2 x HAX2630)
Part HKMA11

HKMA11
Small Parts - Hydra - MTN - RR - QR Endcap Kit (135, 141, 170, or 190mm QR) (HAX2631 + TAX632)
Part HKMA13

HKMA13
Small Parts - Hydra - MTN - RR - 12x135/150 Endcap Kit (HAX2635 + TAX636)
Part HKMA14

HKMA14
Small Parts - Hydra - MTN - RR - 12x142/148/157/177/197 Endcap Kit (HAX2637 + TAX646 RevB)
Part HKMA16

HKMA16
Small Parts - Hydra - MTN - RR - MS - 12x142 -12x148 Endcap Kit (TAX646 RevB + HAX2644)
Part HKMA22

HKMA22
Small Parts - Hydra - MTN - FR - 15mm Center Lock Endcap Kit (HAX2682 + HAX2683)
Part HKMA24

HKMA24
Small Parts - Hydra - MTN - FR - 15mm "Torque Cap" Center Lock Endcap Kit (1x HAX2647, 1x HAX2648, 1
Part HKMA32

HKMA32
Small Parts - Hydra - MTN - RR - 12x148 Center Lock Endcap Kit (HAX2637 + TAX684)
Part HKMA34

HKMA34
Small Parts - Hydra - MTN - RR - CL - MS - 12x142 or 12x148 Endcap Kit (HAX2644 + TAX684)
Part HKMA41

HKMA41
Small Parts - Hydra - MTN - FR - 20mm BOOST Endcap Kit (2 x TAX628, 1x TAX600)
Part OEAX1636

OEAX1636
Endcap - 1/1 - MTN - RR - 12x135/150mm - NDS
Part OEAX1646

OEAX1646
Endcap - 1/1 - MTN - RR - 12x148/157mm - NDS
Part OEKMA01

OEKMA01
Small Parts - 1/1 - MTN/RD - FR - QR Endcap Kit (1 x OEAX1651, 1 x OEAX1655)
Part OEKMA03

OEKMA03
Small Parts - 1/1 - MTN/RD - FR - 15mm Endcap Kit (15x100, 15x110, or 15x135) (1 x OEAX1682, 1 x OEA
Part OEKMA11

OEKMA11
Small Parts - 1/1 - MTN/RD - RR - QRx135/141 Endcap Kit (1 x HAX2631, 1 x OEAX1632)
Part OEKMA14

OEKMA14
Small Parts - 1/1 - MTN/RD - RR - 12x148/142/157 Endcap Kit (1 x HAX2637, 1 x OEAX1646)
Part OEKMA24

OEKMA24
Small Parts - 1/1 - MTN - FR - 15mm "Torque Cap" Endcap Kit (OEAX1630 + OEAX1647) 6 Bolt ONLY
Part OEKRA22

OEKRA22
Small Parts - 1/1 - RD - FR - 12mm Endcap Kit 12x100 (1 x OEAX1653, 1 x OEAX1657)
Part RKMA22

RKMA22
Small Parts - SOLiX - MTN - FR - 15mm Centerlock Endcap Kit (RAX3682 + RAX3683)
Part RKMA24

RKMA24
Small Parts - SOLiX - MTN - FR - 15mm Centerlock RS Torque Endcap Kit (RAX3647 + RAX3649)
Part RKRA21

RKRA21
Small Parts - SOLiX - RD - FR - QR Centerlock Endcap Kit (RAX3651 + RAX3655)
Part RKRA22

RKRA22
Small Parts - SOLiX - RD - FR - 12mm Centerlock Endcap Kit (RAX3653 + RAX3657)
Part RKUA31

RKUA31
Small Parts - SOLiX - MTN/RD - RR - HG/XD - QR Centerlock Endcap Kit (RAX3632 + RAX3631)
Part RKUA32

RKUA32
Small Parts - SOLiX - MTN/RD - RR - HG/XD - 12x142/148mm Centerlock Endcap Kit (RAX3646 + RAX3637)
Part RKUA33

RKUA33
Small Parts - SOLiX - MTN/RD - RR - MS - QR Centerlock Endcap Kit (RAX3632 + HAX2695)
Part RKUA34

RKUA34
Small Parts - SOLiX - MTN/RD - RR - MS - 12x142/148mm Centerlock Endcap Kit (RAX3646 + HAX2644)
Part TAXOR15

TAXOR15
O-Ring - Torch | Hydra - RD/MTN - Endcap O-Ring - 1x15mm
Part TAXOR17

TAXOR17
O-Ring - Torch | 1/1 - RD/MTN - Endcap O-Ring - 1x17mm
Part TAXOR20

TAXOR20
O-Ring - Torch | Hydra - RD/MTN - Endcap O-Ring - 1x20mm
Part TAXOR26

TAXOR26
O-Ring - Torch | Hydra - MTN - Endcap O-Ring - 2x26mm
Part TAXOR28

TAXOR28
O-Ring - 1/1 | Torch | SOLiX - RD - Freehub O-Ring - 2.5x28mm
Part TKMA01

TKMA01
Small Parts - Torch | Hydra - MTN - FR - QR Endcap Kit (2 x TAX620)
Part TKMA03

TKMA03
Small Parts - Torch | Hydra - MTN - FR - 15mm Endcap Kit (2 x TAX622)
Part TKMA04

TKMA04
Small Parts - Torch | Hydra - MTN - FR - 20mm Endcap Kit (2 x TAX623)
Part TKMA05

TKMA05
Small Parts - Torch - MTN - FR - 15mm "Torque Cap" Kit (2 x TAX630)
Part TKMA06

TKMA06
Small Parts - Torch | Hydra - MTN - FR - 6 Bolt 15mm Boost Conversion Endcap Kit (TAX622 + TAX629)
Part TKMA08

TKMA08
Small Parts - Torch | Hydra - FAT - FR - 15x150 Endcap Kit (TAX622 + TAX625)
Part TKMA10

TKMA10
Small Parts - Torch | Hydra - MTN - FR - 12mm Endcap Kit (2 x TAX645)
Part TKMA11

TKMA11
Small Parts - Torch - MTN - RR - QR Endcap Kit (TAX631 + TAX632)
Part TKMA12

TKMA12
Small Parts - Torch - MTN - RR - 10x135 Endcap Kit (TAX633 + TAX634)
Part TKMA13

TKMA13
Small Parts - Torch - MTN - RR - 12x135/150 Endcap Kit (TAX635 + TAX636)
Part TKMA14

TKMA14
Small Parts - Torch - MTN - RR - 12x142/157/177/197 Endcap Kit (TAX637 + TAX638)
Part TKMA15

TKMA15
Small Parts - Torch - MTN - RR - 10x135 Single Speed Bolt-On Axle & Endcap Kit (TAX633 + TAX634, 1 x
Part TKMA16

TKMA16
Small Parts - Torch - MTN - RR - 12x148 BOOST Endcap Kit (TAX637 + TAX646)
Part TKMA22

TKMA22
Small Parts - Torch - MTN - FR - 15mm Center Lock Endcap Kit (TAX682 + TAX683)
Part TKMA23

TKMA23
Small Parts - Torch - MTN - FR - 12mm Center Lock Endcap Kit (TAX685-12 + TAX686-12)
Part TKMA32

TKMA32
Small Parts - Torch - MTN - RR - 12x142/148 Center Lock Endcap Kit (TAX637 + TAX684)
Part TKMA41

TKMA41
Small Parts - Torch | Hydra - MTN - FR - 20x110 BOOST Endcap Kit (2 x TAX628) **Not a Conversion Kit
Part TKRA01

TKRA01
Small Parts - Torch - RD - FR - QR- Endcap Kit (2 x TAX651)
Part TKRA03

TKRA03
Small Parts - Torch - RD - FR - 15mm Thru-Axle - Endcap Kit (2 x TAX652)
Part TKRA04

TKRA04
Small Parts - Torch - RD - FR - 12mm Thru-Axle - Endcap Kit (2 x TAX653)
Part TKRA11

TKRA11
Small Parts - Torch - RD/DISC - RR System - QR Endcap Kit (TAX660 + TAX662)
Part TKRA12

TKRA12
Small Parts - Torch - RD/DISC - RR - QR DISC Classic Endcap Kit - Shimano (TAX660 + TAX665)
Part TKRA15

TKRA15
Small Parts - Torch - RD/DISC - RR - System/Classic - 12x142- Endcap Kit (TAX663 + TAX670)
Part TKRA16

TKRA16
Small Parts - Torch - RD/DISC - RR - System/Classic - Campy N3W 12x142 Kit (TAX663 + TAX677)
Part TKRA21

TKRA21
Small Parts - Torch - RD - FR - QR - Endcap Kit for Centerlock Hub (TAX655 + TAX651)
Part TKRA22

TKRA22
Small Parts - Torch - RD - FR - 12mm Thru-Axle Endcap Kit for Centerlock Hub (TAX653 + TAX657)
Part TKRA23

TKRA23
Small Parts - Torch - RD - FR - 15mm Thru-Axle Endcap Kit for Centerlock Hub (TAX652 + TAX658)
Part TKRA25

TKRA25
Small Parts - Torch - RD/DISC - RR - System & Classic - QR Endcap Kit for Centerlock Hub (TAX660 +

Part TKRA26

TKRA26
Small Parts - Torch - RD/DISC - RR System - 12x142 DISC Endcap Kit for Centerlock Hub (TAX670 + TAX6

  • USA:

  • 150 Westside Dr. STE 9

  • Asheville, NC 28806

  • Europe:

  • Calle Ducado, 30

  • 11591 Guadalcacin
    Cádiz, Spain

  • USA:

  • 1-828-210-5113

  • Mon-Fri, 8am - 5pm EST

  • Europe:

  • +34 856 190 588

  • Mon-Fri, 9am - 5pm CET

  • USA:

  • ridersupport@industrynine.com

  • dealersupport@industrynine.com

  • Europe:

  • eusales@industrynine.com

  • euservice@industrynine.com

Handmade in Asheville, NC

Ride responsibly. Industry Nine believes in protecting our forests and is committed to sourcing reusable and recyclable packaging, trail adoption and supporting various trail access and cycling advocacy groups nationwide.

© 2025 Industry Nine, Inc. All Rights Reserved. Industry Nine, the Industry Nine logo mark, and Hydra are registered trademarks of Industry Nine Componentry, Inc.

Hydra is protected under US Patent Number 11,293,500