B-Rush A4.5

E-MTB Full Aluminium
3899
Promo 3899 3899
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Brakes

Shimano BR-MT420, Four piston, Rotor SM-RT30 203 mm / 203 mm

Frame

Alu 29”, Gravity casting, Integrated battery, Tapered, Internal routing, Rear travel 156 mm, 12x148 mm E-Thru

Fork

Marzocchi Bomber Z2, 140 mm, Air, 1.5 Tapered, 15x110

Rear Shock

Rock Shox Deluxe Select R, DebonAir, 230x65 mm

Rear Derailleur

Shimano CUES RD-U6000 Shadow, 10s

Wheels

Frame

Alu 29”, Gravity casting, Integrated battery, Tapered, Internal routing, Rear travel 156 mm, 12x148 mm E-Thru

Fork

Marzocchi Bomber Z2, 140 mm, Air, 1.5 Tapered, 15x110

Groupset

Cockpit

Engineering for maximum performance

Frame

Alu 29”, Gravity casting, Integrated battery, Tapered, Internal routing, Rear travel 156 mm, 12x148 mm E-Thru

Fork

Marzocchi Bomber Z2, 140 mm, Air, 1.5 Tapered, 15x110

Rear Shock

Rock Shox Deluxe Select R, DebonAir, 230x65 mm

Rear Derailleur

Shimano CUES RD-U6000 Shadow, 10s

Brakes

Shimano BR-MT420, Four piston, Rotor SM-RT30 203 mm / 203 mm

Engineered for speed & endurance

Frame

Alu 29”, Gravity casting, Integrated battery, Tapered, Internal routing, Rear travel 156 mm, 12x148 mm E-Thru

Fork

Marzocchi Bomber Z2, 140 mm, Air, 1.5 Tapered, 15x110

Wheels

Groupset

Cockpit

Mechanical Specifications

Component
Value
Frame
Alu 29”, Gravity casting, Integrated battery, Tapered, Internal routing, Rear travel 156 mm, 12x148 mm E-Thru
Fork
Marzocchi Bomber Z2, 140 mm, Air, 1.5 Tapered, 15x110
Rear Shock
Rock Shox Deluxe Select R, DebonAir, 230x65 mm
Headset
Acros for Ursa, 1.5”, Internal routing
Crankset
FSA, 34T
Rear Derailleur
Shimano CUES RD-U6000 Shadow, 10s
Front Derailleur
Shifters Levers
Shimano CUES SL-U6000 Rapidfire Plus, 10s
Brakes
Shimano BR-MT420, Four piston, Rotor SM-RT30 203 mm / 203 mm
Cassette
Shimano CUES CS-LG300, 10s, 11/48
Freewheel
Pedals
Alu MTB Full +
Chains
Front hub
Shimano TC500B, 15x110, CL, 32h // Glory Wheel, 15x110, CL, 32h
Rear hub
Shimano TC500B, 12x148, CL, HG, 32h // Glory Wheel, 12x148, CL, HG, 32h
Rims
Radiale X30, eDesign | Asymmetric, Tubeless Ready, 622x30c
Wheels
Cockpit
Stem
Alu, Barbore 35 mm
Handlebar
Alu, 780 mm, Barbore 35, Rise 15 mm
Seatpost
Dropper Alpha 1, Diameter 31.6 mm, remote
Saddle
Whistle Performance
Tyres
F: Schwalbe Magic Mary Evo, Addix Soft, Super Trail, 29”x2,40” R: Schwalbe Hans Dampf Evo, Addix Soft, Super Trail, 29”x2,35”
Mudguards
Chaincover
Carriers
Radiale X30, eDesign | Asymmetric, Tubeless Ready, 622x30c
External lights
Weight
27.7
Size
52
Wheel diameter [inch]
29"
Gear number
10
Battery
Charging Time
Up to 5.4 hours

Battery Kit

Battery
Display
Led Remote
ENGINE
Smart System CX (BDU374Y) 2.9 kg

Max Power & Torque

600 W

85 Nm

Autonomy

Max Assistance

Eco: 60% Tour: 140% EMTB: 140-400% Turbo: 340%

Extras

Max Velocity

25 km/h

Battery Kit

Battery
Smart System, Powertube 625 Horizontal, weight 3.6 kg
Display
Led Remote
ENGINE
Smart System CX (BDU374Y) 2.9 kg
maximum torque
85 Nm

600 W

Max Power

Autonomy

Max Assistance

Eco: 60% Tour: 140% EMTB: 140-400% Turbo: 340%

Extras

Max Velocity

25 km/h

Product Specs

52
Sizes
Red
Color

Geometry that wins

Our detailed geometry charts provide you with exact measurements and parameters crucial to performance. Understand how every angle and dimension contributes directly to speed, agility, and endurance.
DOWNLOAD FULL GEOMETRY
PDF HERE
DOWNLOAD UCI CERTIFICATE

Whistle model

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