Gravaa x Reserve 42|49 Wheelset

Aero road wheelset for all-day speed and endurance

Gravaa Hub versions and tire limits
Terrain Gravel
Tire widths Accepts between 35-45mm
Pressure relief valve Orange 5.5 bar – in-built safety feature in case of excess pressure

Tire pressure limits for Gravaa Gravel Hub (with inner tube, example rider weight 75kg)

Tire width [mm]	Tire size	Min pressure [bar]	Max pressure [bar]	Default safe pressure [bar]
25	28 x 1” | 700 x 25C (25-622 ETRTO)	3,0	7.0	5.0
26	28 x 1” | 700 x 26C (36-622 ETRTO)	2.9	7.0	5.0
27	28 x 1,05” | 700 x 27C (27-622 ETRTO)	2.8	7.0	4.9
28	28 x 1,1” | 700 x 28C (28-622 ETRTO)	2.7	6.8	4.8
29	28 x 1,15” | 700 x 29C (29-622 ETRTO)	2.6	6.6	4.6
30	28 x 1,2” | 700 x 30C (30-622 ETRTO)	2.5	6.4	4.5
31	28 x 1,2” | 700 x 31C (31-622 ETRTO)	2.4	6.2	4.3
32	28 x 1,25” | 700 x 32C (32-622 ETRTO)	2.3	6.0	4.2
33	28 x 1,3” | 700 x 33C (33-622 ETRTO)	2.2	5.8	4.0
34	28 x 1,35” | 700 x 34C (34-622 ETRTO)	2.1	5.6	3.8

 

Everything you need included

                                                                                            
A complete wheelset with your choice of freehub, Gravaa hubs and your choice of rotors.                   One set of Gravaa Sprint shifters.

                                                                                   
Gravaa 5-bolt rotors made by Galfer. Sizes range from 140 -180 mm.                     Tools & Spares included with purchase
                                                                                                                                   Tools and Connections: Torx T5 screwdriver, Gravaa valve tool, extra coin                                                                                                                                         cell battery, Y-connection cable, and handlebar wireless module incl. battery.      




Specifications
Gravaa x Reserve 40|44 GR Wheelset

Ideal for Gravel
Wheel size 700c (29"/622mm)
Brake type Disc brake only, Gravaa 5-bolt rotors by Galfer included with wheelset
Weight 1960 g
Rim type Hooked, TLR
Rim materials Carbon
Rim height 40 | 44 (front/rear)
Rim inner width 27.4 | 27.0 (front/rear)
Offset rear 2.7mm
Tire types Clincher
Tubeless ready No, Gravaa's tubeless solution is in development and will be available as add-on part soon
Hub type Non-boost (100mm front, 142mm rear)
Max. system weigh 110kg (rider + bike)
ANT+ TPMS
Bluetooth Yes
Disc brake rotor front 140mm disc, 160mm disc, 180mm disc
Disc brake rotor rear 140mm disc, 160mm disc, 180mm disc
Number of spokes 24
Spokes types DT Swiss Aerocomp Spoke Straight Pull, DT Swiss Aerolite Spoke Straight Pull
Spokes 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 XDR, Campagnolo N3W, Shimano Micro Spline, SRAM XD
Wireless shifter (controls) Gravaa Sprint shifter (included)
Ingress protection class IP55

Please note:
While tubeless compatibility is in development, the Gravaa System currently requires inner tubes to function correctly.

The use of tubeless tire sealant or any other liquid substances inside the tire will prevent the proper functioning and may cause damage to the Gravaa System.

Please ensure that your Android or iOS phones meet the following requirements:

Android 8.0 and higher
iOS 16.0 and higher
The smartphone must support Bluetooth Low Energy (BLE) 4.0 or higher. 
The Gravaa System is compatible with the following bike computers (although a bike computer is not required for use):

Garmin Edge 840/1040/1050
Wahoo Elemnt Roam V2/V3, Elemnt Bolt V2/V3 and Elemnt Ace