Categories: Ebike Reviews

Surface 604 Twist Review

Total Weight:

59 lbs (26.76 kg)

Battery Weight:

8.2 lbs (3.71 kg)

Motor Weight:

8 lbs (3.62 kg)

Frame Material:

6061 Aluminum Alloy

Frame Sizes:

17.75 in (45.08 cm)

Geometry Measurements:

17.75″ Seat Tube Length, 24″ Simulated Top Tube Length, 18.5″ Reach, 16.5″ Stand Over Height, 32″ Minimum Saddle Height, 26.75″ Width, 45.5″ Wheelbase, 70″ Length

Frame Types:

Step-Thru

Frame Colors:

Satin Black, Satin Pink, Satin Grey

Frame Fork Details:

Rigid Aluminum Alloy, 135mm Hub Spacing, 9mm Axle with Quick Release Skewer

Frame Rear Details:

175mm Hub Spacing, 12mm Threaded Axle with Keyed 10mm Flats, 18mm Nuts

Attachment Points:

Rear Rack, Fender Bosses, Bottle Bosses on Seat Tube

Gearing Details:

9 Speed 1×9 SRAM X5 Short Cage Derailleur, SRAM 11-34 Tooth Cassette

Shifter Details:

SRAM X5 Triggers on Right (One-Way High, Three-Shift Low)

Cranks:

Samox, Forged Aluminum Alloy, 170mm Length Crank Arms, Sealed Cartridge Bearings, Hollow Axle, 44 Tooth Steel Chainring

Pedals:

Wellgo K79 F265 Aluminum Alloy Platform with Integrated Pins, Folding, Black

Headset:

Integrated, Open Bearings, Quill, Straight 1-1/8″

Stem:

Aluminum Alloy, Folding Telescoping Height Base 240mm to 340mm, 8° Forward Angle, 31.8mm Clamp

Handlebar:

Aluminum Alloy, 660mm Length, Low-Rise, 6° Backsweep, 30mm Rise

Brake Details:

Tektro Auriga Hydraulic Disc with 180mm Rotors, Dual-Piston Calipers, Three-Finger Tektro Levers with Motor Inhibitors and Brake Light Blink Activation and Adjustable Reach

Grips:

Stitched Faux Leather, Ergonomic, Black

Saddle:

Selle Royal Essenza Plus+

Seat Post:

Aluminum Alloy with Forged Single-Bolt Clamp

Seat Post Length:

300 mm

Seat Post Diameter:

30.4 mm

Rims:

6061 Aluminum Alloy, 80mm Outer Width, 36 Hole, Black

Spokes:

Stainless Steel, 13 Gauge, Black

Tire Brand:

CST Big Boat, 20″ x 4.0″ (98-406)

Wheel Sizes:

20 in (50.8cm)

Tire Details:

5 to 30 PSI, Reflective Sidewall Stripe

Tube Details:

Schrader Valve

Accessories:

Plastic Fenders (100mm Width), Flick Bell Near Right Grip, Integrated Shiny 80 LED Headlight (80 LUX), Integrated Büchel Tivoli 2-LED Rear Light (Blinks When Braking), Welded-On Rear Rack with Top Platform and Bungee Loops, Rear Mounted Adjustable Length Kickstand (40mm Tab)