


Airtracks
28" Men's Gravel Bike WHISPER TEAM GRX Bicycle 2 x 11 Speed SHIMANO GRX RD-RX812
28" Men's Gravel Bike WHISPER TEAM GRX Bicycle 2 x 11 Speed SHIMANO GRX RD-RX812
52cm
Holzhauser Str. 180, Gebäude 45
Airtracks Sport, Holzhauser Straße 180 Gebäude 45
vertrieb@airtracks.de
13509 Berlin
Germany

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28" men's gravel bike WHISPER TEAM GRX bicycle 2 x 11-speed SHIMANO GRX RD-RX812
Discover maximum freedom on any surface with the WHISPER TEAM GRX gravel bike. This versatile men's bike combines sporty performance, robust construction, and high-quality components – perfect for adventures on asphalt, gravel, and off the beaten path.
Performance meets versatility
The lightweight aluminum gravel frame ensures agile handling and high stability – whether for long tours, commuting, or off-road adventures. Combined with the tapered aluminum fork, the bike offers precise handling and optimal control.
SHIMANO GRX 2x11 – made for gravel
Equipped with the SHIMANO GRX groupset specially developed for gravel, this bike offers reliable and precise shifting even under demanding conditions.
- Rear derailleur: SHIMANO GRX RD-RX812
- Front derailleur: SHIMANO GRX FD-RX810
- Shift levers: SHIMANO GRX BL-RX600
- Crankset: SHIMANO GRX FC-RX600 (46/30T)
- Cassette: SUNRACE 11–42T
Wide gear range for steep climbs and fast descents.
Hydraulic disc brakes
The SHIMANO GRX BR-RX600 disc brakes guarantee strong and reliable braking performance in any weather.
- 160 mm rotors front & rear
- Precise modulation and high safety
Comfort & control on any terrain
- Schwalbe G-One Allround tires (40-622) for optimal grip
- Ergonomic 420 mm gravel handlebars with comfort handlebar tape
- High-quality wheels with MACH1 gravel rims
Lightweight & durable
- Weight: approx. 13.6 kg
- Maximum total weight: 120 kg
Equipment overview
- Aluminum gravel frame (52 / 56 cm)
- Tapered fork
- SHIMANO GRX 2x11 complete drivetrain
- Hydraulic disc brakes
- Selle Royal saddle
- Sturdy design for everyday use & adventure
The WHISPER TEAM GRX is the perfect choice for anyone looking for a reliable, sporty, and versatile gravel bike. Whether it's the daily commute or a long weekend tour – this bike is ready for anything.
The bike is delivered approximately 92% pre-assembled. Handlebar, pedals, and front wheel still need to be mounted. Final assembly should be done by a qualified person.
| FRAME | 28" ALUMINIUM GRAVEL MEN 52CM, 56CM |
| FORK | ALUMINIUM TAPERED |
| HEADSET | FSA ORBIT 1 1/8" - 1.5" |
| STEM | UNO 90 MM, 31.8 MM |
| HANDLEBAR | RACE - WIDTH 420 MM, BORE 31.8 MM, DROP 125 MM |
| BAR TAPE | VELO, ROAD TAPE CORK+GEL |
| REAR DERAILLEUR | SHIMANO GRX RD-RX812, 2 X 11-SPEED |
| FRONT DERAILLEUR | SHIMANO GRX FD-RX810 |
| SHIFT LEVERS | SHIMANO GRX, BL-RX600 |
| CASSETTE | SUNRACE CSMS8 EAYX 11-42T |
| CRANKSET | SHIMANO GRX FC-RX600, 170 MM, 46-30T |
| CHAIN | SHIMANO CN-HG601-11 120 LINKS |
| RIMS | MACH1 GRAVEL 19 |
| HUB | SHIMANO HB-RS470, 32H, 12X100 MM |
| TIRES | SCHWALBE G-ONE ALLROUND, RACE GUARD 40-622 |
| FRONT BRAKE | SHIMANO GRX BR-RX600 HYDRAULIC DISC BRAKE |
| REAR BRAKE | SHIMANO GRX BR-RX600 HYDRAULIC DISC BRAKE |
| FRONT ROTOR | SHIMANO SM RT-10 160mm |
| REAR ROTOR | SHIMANO SM RT-10 160mm |
| PEDALS | XERAMA SP-931S |
| SADDLE | SELLE ROYAL |
| SEATPOST | SP-DC1, 27.2 x 300mm |
| WEIGHT | 13.6 KG |
| MAX LOAD | 120 KG |
| Frame size 52 cm | Height 170-185 cm |
| Frame size 56 cm | Height 180-195 cm |















