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The 2023 KAYZA Hydric 7.7 hardtail is a high-quality e-bike characterised by its robust construction and modern features. The frame is made from 6061 aluminium and is specifically designed to accommodate the fourth-generation Bosch ‘Performance CX’ mid-drive motor, which provides 36 V and 250 W of power. The frame measures 46 cm and the bike’s maximum load capacity is 130 kg, making it a stable choice for a variety of riding conditions.
The braking system comprises ALHONGA “HT472” components, which are used for both the brakes and the brake levers. The front and rear brake discs are also from ALHONGA and have a diameter of 180 mm. A SHIMANO “Deore” 10-speed system provides the gear changes, enabling precise shifting. The SUNTOUR “SF19-XCR32-Boost-AIR-LOR-DS-15QLC32-110-27.5” fork, with 100 mm of travel, ensures comfortable suspension on uneven terrain.
The Hydric 7.7 is fitted with a Bosch “PowerPack 725” battery, which offers a capacity of 725 Wh and is charged using a Bosch 4 A charger. The e-bike’s display is the BOSCH “Intuvia 100”, which offers four assistance levels as well as a push assist function. The pedals are VP “VPE-506” models, whilst the crankset is from MIRANDA.
The handlebars are CONTEC “Moab” with a diameter of 31.8 mm and a width of 740 mm, combined with CONTEC “MTB Straight long” grips. The stem is also by CONTEC and measures 70 mm. The rims are KAYZA hollow-chamber “X18” disc versions, fitted with MAXXIS “Rekon” tyres in size 27.5x2.4. This combination ensures excellent traction and stability.
Comfort is provided by the SR “Vivo Sport Ergo” saddle, mounted on a CONTEC “Pillar” seatpost with a diameter of 31.6 mm and a length of 400 mm. A transparent chain guard from BLASE protects the chain, whilst the CONTEC “Powerlock” battery-powered lock ensures security.
The KAYZA Hydric 7.7 hardtail is available at a price of 3799 EUR and offers a comprehensive range of features suitable for both everyday use and more demanding rides. With its high-quality build and high-performance components, it is a reliable choice for e-bike enthusiasts.
| Front brakes | ALHONGA "HT472", 2-finger, black |
| Brakes | ALHONGA "HT472", 2-finger, black |
| Front brake disc | ALHONGA "DRX1806", 180 mm |
| Rear brake disc | ALHONGA "DRX1806", 180 mm |
| Brake levers | ALHONGA "HT472", 2-finger, black |
| Frame | KAYZA Bosch integrated, 6061 aluminium hardtail, 46 cm |
| Drivetrain | 10-speed SHIMANO "Deore" |
| Shift levers | SHIMANO "Deore" |
| Number of gears | 10 |
| Fork | SUNTOUR "SF19-XCR32-Boost-AIR-LOR-DS-15QLC32-110-27.5", tapered, matt black |
| Fork travel (mm) | 100 |
| Bottom bracket | BOSCH |
| Crankset | MIRANDA 172.5 mm |
| Sprocket | MIRANDA SHIMANO "Deore" |
| Drive | SHIMANO "CN-LG-500" |
| Headset | VP "J313AE", tapered, 1 1/8-1.5", black |
| Handlebar | CONTEC "Moab" Ø 31.8 mm, 740 mm, black |
| Grips | CONTEC "MTB Straight long" |
| Stem | CONTEC "Forge" Ø 31.8 mm, 70 mm, black |
| Saddle | SR "Vivo Sport Ergo", black |
| Seatpost | CONTEC "Pillar" Ø 31.6 mm, 400 mm, black |
| Rims | KAYZA "X18" hollow-chamber disc |
| Tires | MAXXIS "Rekon" 27.5x2.4, black |
| Front tire | MAXXIS "Rekon" 27.5x2.4, black |
| Rear tire | MAXXIS "Rekon" 27.5x2.4, black |
| Front hub | FORMULA "DC-511", 32-hole, black |
| Rear hub | FORMULA "EHL-148S", 32-hole, black |
| Spokes | Stainless steel, black |
| Pedals | VP "VPE-506", black |
| Motor manufacturer / model | BOSCH Gen. 4 "Performance CX" mid-drive motor, 36 V, 250 W |
| Display | BOSCH "Intuvia 100", 4-stage, push assistance |
| Battery | BOSCH "PowerPack 725", lithium-ion with BMS, 725 Wh |
| Battery capacity (Wh) | 725 |
| Charger | Bosch 4 A (230 V) |