Surface 604 Quad Review – $2.6k

Surface 604 Quad Review - .6k

Author: ElectricBikeReview.com via YouTube
Surface 604 Quad Review - .6k

https://electricbikereview.com/surface-604/quad/ The Surface 604 Quad Review is a hardtail urban cross country electric that’s straight out of the 1980’s with quadangle frame design! Available in two sizes for improved fit, with two battery options for extended range. Impressive 9-speed drivetrain with upgraded shifter and derailleur. Powerful 180mm hydraulic disc brakes with large dual piston calipers and electronic motor inhibitor switches on both levers. The criss-cross top tube design looks cool and improves frame stiffness for off-road use, even though the geometry is fairly upright for comfort. Shorter stem and low-rise bar mean you don’t have to lean forward so much. Upgraded 100mm spring suspension fork uses larger 32mm stanchions for strength and offers adjustable lockout and preload. Sturdy thru-axle with wider Boost hub spacing improves the front wheel strength, along with wider spokes on both wheels. Blinged out gold colored pedals, chain, and cassette really complete the look here, it’s more artistic and fun than a lot of competing products. Plus sized 27.5" x 2.8" tires offer improved stability, traction, and comfort, and S604 went with upgraded Maxxis Rekon+ for puncture protection and brown skinwall sidewalls that complete the look. Excellent kickstand, saddle, and grip selection here. Two full sized USB charging ports (one on the display and one on the battery pack). Integrated 120 lux headlight is perfectly positioned with a custom bracket, and the bike is pre-wired for an optional rear light that comes with their rack. Optional aluminum alloy fenders keep you dry. Drawbacks include heavier weight, slightly higher price, no derailleur guard, hard to reach bottle cage, and no slap-guard included.

0:00 Introduction and S604 Shred comparison
1:32 Frame sizing and geometry, demo is M/L, I’m 5’9"
1:46 Pricing and position in market
2:07 Attachment accessory options, light details
4:21 Use cases (trail or urban), third person rideby
4:48 Suspension fork: 100mm travel, 15mm thru-axle, Boost
5:50 Motor details: Bafang 500 watt, 65nm torque
6:14 Torque sensor closeup, throttle overview
7:50 Drivetrain details, 38t chainring, 11-36t cassette
10:57 Seat post and shim, saddle closeup and feel
11:32 Bike weight and handling, third person hops
13:12 Stem, handlebar, grips, button pad, two USB ports
14:27 Unlock and remove battery pack, charger details
16:15 Considerations for buying direct, assembly
17:09 Display panel walkthrough and headlight demo
21:20 Display settings menu, hold + and –
22:43 Specialty brake levers, 180mm disc and calipers
23:18 Ride test begins, first person riding shots
27:35 On frame camera, drivetrain and motor closeups
30:11 Forward suspension view, bike rack loading tips
32:16 Conclusion and EBR resources

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Surface 604 Quad Review – $2.6k
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