The Reserve 31 DH Carbon Wheelset is the definitive choice for serious Downhill riders and racers.
Combining the formidable strength of the 31 DH rim with the lightning-fast engagement of Industry Nine Hydra hubs. This is a World Cup-winning combination designed to deliver an unparalleled balance of durability, stiffness, and responsiveness on the most demanding trails.
This wheelset is for riders who refuse to compromise on speed or reliability when 'sending it' down the mountain.
Elite Hubs: Features Industry Nine's flagship Hydra hubs, boasting an incredible 690 points of engagement for virtually instantaneous power transfer and control.
Unmatched DH Strength: Utilises the 31 DH carbon rim with reinforced spoke beds and an asymmetrical profile, ensuring market-leading resistance to impacts.
Optimal DH Stance: The 31mm inner rim width is perfect for stabilising DH-casing tyres, increasing cornering grip and confidence.
DH-Specific Spacing: Built with 20x110mm front and 12x157mm rear (Super Boost) hub spacing, the standard for modern downhill rigs.
Precision Build: Each wheel is precision-built with 32 spokes (typically DT Swiss or Sapim) in a 3x pattern for maximum durability and reliability.
Complete Confidence: Covered by Reserve's renowned Lifetime Warranty on the rim.
| Specification | Value | Notes |
| Rims | Reserve 31 DH Carbon | Asymmetric design with reinforced spoke holes. |
| Hubs (Standard Offering) | Industry Nine Hydra | Renowned for ultra-fast engagement (690 points of engagement). |
| Wheel Size Options | 27.5", 29", MX (Mullet) | MX setup uses 29" front and 27.5" rear. |
| Inner Rim Width | 31mm | Provides ideal support for downhill tyre casings. |
| Spoke Count | 32 Hole (32h) per wheel | Optimal for DH strength and durability. |
| Spokes (Typically) | Sapim D-Lite or DT Swiss Competition Race | Double-butted spokes for strength and weight. |
| Nipples (Typically) | Sapim Secure Lock Aluminium | Ensures nipples stay securely tensioned. |
| Front Hub Spacing | 20 x 110mm (Thru-Axle) | DH-specific standard for front hub width. |
| Rear Hub Spacing | 12 x 157mm DH | DH-specific standard for rear hub width. |
| Brake Compatibility | 6-Bolt Disc | Standard DH disc brake mounting. |
| Freehub Options | SRAM XD, Shimano HG | Allows compatibility with various drivetrains. |
| Wheelset Weight (Approx. 29" i9 Hydra) | 2,006g (Pair) | Very competitive weight for a DH-rated carbon wheelset. |
| Warranty | Lifetime (on rim) | Industry-leading coverage against manufacturing defects. |
| Specification | Value |
| Rims | Reserve 31 DH Carbon |
| Hubs (Standard Offering) | Industry Nine Hydra |
| Wheel Size Options | 27.5", 29", MX (Mullet) |
| Inner Rim Width | 31mm |
| Spoke Count | 32 Hole (32h) per wheel |
| Spokes (Typically) | Sapim D-Lite or DT Swiss Competition Race |
| Nipples (Typically) | Sapim Secure Lock Aluminium |
| Front Hub Spacing | 20 x 110mm (Thru-Axle) |
| Rear Hub Spacing | 12 x 157mm DH |
| Brake Compatibility | 6-Bolt Disc |
| Freehub Options | SRAM XD, Shimano HG |
| Wheelset Weight (Approx. 29" i9 Hydra) | 2,006g (Pair) |
| Warranty | Lifetime (on rim) |
| Specification | Notes |
| Rims | Asymmetric design with reinforced spoke holes. |
| Hubs (Standard Offering) | Renowned for ultra-fast engagement (690 points of engagement). |
| Wheel Size Options | MX setup uses 29" front and 27.5" rear. |
| Inner Rim Width | Provides ideal support for downhill tyre casings. |
| Spoke Count | Optimal for DH strength and durability. |
| Spokes (Typically) | Double-butted spokes for strength and weight. |
| Nipples (Typically) | Ensures nipples stay securely tensioned. |
| Front Hub Spacing | DH-specific standard for front hub width. |
| Rear Hub Spacing | DH-specific standard for rear hub width. |
| Brake Compatibility | Standard DH disc brake mounting. |
| Freehub Options | Allows compatibility with various drivetrains. |
| Wheelset Weight (Approx. 29" i9 Hydra) | Very competitive weight for a DH-rated carbon wheelset. |
| Warranty | Industry-leading coverage against manufacturing defects. |