Gravaa x Reserve 42|49 Specifications

Gravaa Hub versions and tire limits

Terrain	Road
Tire Widths	Accepts between 25-34mm
Pressure relief valve	Red 7.5 bar – in-built safety feature in case of excess pressure
Tubeless ready	Yes, in combination with included sealant filters only

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

Specifications

Gravaa x Reserve 42|49 Wheelset

Ideal for	Road
Wheel size	700c (29"/622mm)
Brake type	Disc brake only, Gravaa 5-bolt rotors by Galfer included with wheelset
Weight	1990 g
Rim type	Hooked, TLR
Rim materials	Carbon
Rim height	42 | 49 mm (front/rear)
Rim inner width	25.4 | 24.8 mm (front/rear)
Offset rear	1.8 mm
Tire types	Clincher
Tubeless ready	Yes, in combination with included sealant filters only
Hub type	Non-boost (100mm front, 142mm rear)
Max. system weight	110kg (rider + bike)
ANT+	TPMS
Bluetooth	Yes
Disc brake rotor front	140mm disc, 160mm disc
Disc brake rotor rear	140mm disc, 160mm 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