• Higher Speed & Performance
  • Low power consumption
    Fewer Punctures & Stops
  • Gravaa wheelset for gravel bikes
    Ride Faster, Ride Better
See all specs
Fast or far. You decide. Let Gravaa help you get there faster. Gertjan, bikepacker & founder of GRAVAA

Aero gravel performance

The Gravaa x Reserve 40|44 GR wheelset brings cutting-edge aero performance to gravel riding and off-road racing. Tailored for the demands of drop-bar adventurers, the 40mm front and 44mm rear rim profile ensure both stability and speed. Combined with Gravaa’s revolutionary Kinetic Air Pressure System (KAPS), you can effortlessly adjust tire pressure on the go, adapting perfectly to the changing terrain.

With Turbulent Aero technology for reduced drag, these wheels offer unmatched control and efficiency. The wide rim allows for tires up to 50c, making them compatible with the latest gravel tire trends. Plus, with tubeless-ready setup and Gravaa’s game-changing tire pressure control, you’ll ride faster, smoother, and with greater confidence on any surface. Backed by Reserve’s lifetime warranty and no-fault crash replacement, this wheelset is built for the long haul.

Key Features:

  • Reserve Carbon Rims: 40mm front and 44mm rear rims for superior stability and handling.
  • Gravaa Adaptable Tire Pressure System: Gravaa’s KAPS technology allows real-time adjustments for optimal traction and control.
  • Durable Carbon Build: Ensures resilience without added weight.

Contents:

  • Gravaa x Reserve 40|44 GR wheelset (front and rear)
  • Integrated hub with adaptable tire pressure technology (mounted)
  • Disc brake rotors of your choice (mounted)
  • DT Swiss Freehub body of your choice (mounted)
  • Wireless control unit including two shift buttons
Leave, ride, don't stop. Race or chase adventure. With Gravaa you’ll Ride Better. Loek, gravel race & adventure rider
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Perfect pressure on every terrain

Whether you’re tackling rough gravel or smooth tarmac, Gravaa’s technology allows you to adjust your tire pressure on the fly, offering both comfort and control no matter where the ride takes you.

Comfort at your fingertips

The ergonomic Gravaa shifter buttons are intuitively placed on your handlebars, allowing personalized tire pressure adjustments without disrupting your focus. Whether climbing or descending, control is always within easy reach.

  • Specifications

    GRAVAA x Reserve 40|44 GR Wheelset GRAVAA x Reserve
    Ideal for Bike touring, Gravel racing
    Wheel size 700c (29''/622mm)
    Brake type Disc brake only (GRAVAA 5-bolt rotors)
    Weight 1960 g
    Rim type Hooked, TLR
    Rim materials Carbon
    Rim height 40 | 44 mm (front/rear)
    Rim inner width 27.4 | 27.0 mm (front/rear)
    Offset rear 2.7 mm
    Tire types Clincher - Tubeless ready
    Tubeless ready No, Gravaa's tubeless solution is in development and will be available as add-on part soon
    Hub type Non-boost (100 mm front, 142 mm rear)
    Max. system weight 110 kg (rider + bike)
    ANT+ TPMS
    Bluetooth
    Disc brake rotor front 140 mm disc, 160 mm disc
    Disc brake rotor rear 140 mm disc, 160 mm disc
    Number of spokes 24
    Spoke types DT Swiss Aerocomp Spoke Straight Pull, DT Swiss Aerolite Spoke Straight Pull
    Spoke nipple type DT Swiss Pro Lock 2.0 mm (aluminum, external nipples)
    Freehub system DT Swiss Ratchet System (36 teeth)
    Freehub body Shimano Road (HG), SRAM XD, SRAM XDR, Campagnolo N3W, Shimano Microspline
    Wireless shifter GRAVAA sprint shifter (included)
    Ingress protection class IP55
    GRAVAA x Reserve 40|44 GR Wheelset GRAVAA x Reserve
    Tire inflation While riding
    Tire deflation During standstill, While riding
    Accuracy tire pressure control +/-50 mbar
    Tire pressure range Between 0.7 and 5.5 bar
    Average inflation rate 600 mbar/km (for 700x40c tire, 30-622)
    Average deflation rate >200 mbar/s
    Inflation rate related to riding speed?
    Deflation rate related to riding speed?
    Average power consumption during inflation 2 - 4.5 W at 25 km/h, between 1 and 6 bar (per wheel)
    Average power consumption during deflation 0 W
    Operating temperature (active pressure control) 0° to 50°C
    GRAVAA app (for tire pressure settings) Android, iOS
Cross country Gravel bike Cyclocross
Cross country Gravel bike Cyclocross
Cross country Gravel bike Cyclocross