vivax assist 4.0 - Gruber Assist

Technical Data.
10
Drive components:
· 200 watt service-free sensorless motor
· High-tech gear
· Freewheel
· Helical, maintenance-free bevel gear-pair
· Length/diameter of the drive: 220 mm / 31.6 or 30.9 mm
· Weight of the mechanical drive unit: approx. 730 g.
Electronic control:
· Sensorless
· Circuit board with a four-pole printed plug
· Dimensions 180 x 24.5 mm
· Weight 120 g.
Seatpost:
· Truvativ Hussefelt or similar – length 350 mm, weight 300 g.
· Optional Suspension seatpost:
- Cane Creek Thudbuster ST, length 350 mm, 445 g.
- Carbon fibre seatpost, length 350 mm, weight 213 g.
Battery:
· Lithium-Ion manganese battery
· 30 V, 5.50 Ah, 70 min run time,
dimensions 120 x 70 x 70 mm, 850 g.
· 30V, 8.25 Ah, 100 min run time,
dimensions 135 x 85 x 70 mm, 1250 g.
· Battery parameters can be read out (capacity, number of charge cycles,
records of overloading, deep discharge and extreme temperature values)
Lithium-ion manganese charger:
· 33.6 V charge voltage, charge current 1.7 A
Operate unit:
· Mini button to start/stopp and set frequency
Saddlebag:
· Dimensions 180 x 90 x 110 mm
· Weight 90 g.
Suitable crank set:
· Shimano Hollowtech II (axial length 120 mm)
· Crank set not included
Built in conditions to the frame:
· Aluminium, steel or vivax carbon frame
· Straight, continuous seat tube with an inner diameter
of 31,6 mm or 30,9 mm
· Seat tube should be as central as possible on the
bottom bracket