Shop Build: SXS ZR Clone — Super73 R-Adventure Platform
The SXS ZR is one of those platforms that deserved more than it got from the factory. SXSBike has since folded, parts are drying up, and the stock drivetrain on these was never really the point anyway — the Super73 R-Adventure geometry is. So we took a clean donor frame and rebuilt the whole thing from the ground up. This is the result.
The Battery — Built In-House
The biggest piece of this build was the battery. We didn’t want to bolt on an off-the-shelf pack that wouldn’t fit right or wouldn’t have the capacity this platform deserves — so we fabricated the case ourselves. Hand-cut and riveted aluminum sheet metal, custom-shaped to sit tight in the frame triangle.
Inside that case lives a 16s14p pack built from BAK N21700CG-50G cells — 224 cells total. 60V nominal, 70Ah, 4,032Wh. The BMS is a Daly Active Balance unit running 200A continuous with Bluetooth monitoring, and a Daly LCD display on the lid gives you live voltage, current, and temperature at a glance.
Drivetrain
Motor is a QS205 50H V3 hub motor — 4T wind, laced into a 16″ wheel running Shinko SR567 110/80-16 tires front and rear. The controller is a Spintend Ubox 85V/150A ALU, which gives this thing plenty of headroom. Throttle is the Spintend SPIN-Y scroll — smooth, precise, and easy to modulate.
Electronics & Aux
We loaded this one up on the electronics side. The Flipsky TFT V2 sits on the bars for ride data, and above it is a YUEHOO M590 — a 6″ motorcycle CarPlay unit with a 1440×720 display. BLE TPMS sensors are paired front and rear with low and high pressure alerts, and yes, it runs a custom KPEV boot logo. There’s also a 30W PD USB-C charge port, a 12V aux circuit via the Spintend ADC Adapter V3 for lighting and accessories, and a key ignition with a lighting/horn cluster.
Donor — What We Kept
The SXS ZR donor wasn’t a total teardown — the suspension and brakes were worth keeping. Up front is a DNM Mozo fork with 130mm of travel and adjustable air pressure. Out back, a DNM Burner RCP-2S fully adjustable shock. Brakes are Tektro HD-E3940 hydraulics with 2.3mm rotors front and rear. All solid, all retained.
The Result
This thing rides more like a lightweight electric moto than an eBike. The geometry is planted, the power delivery is smooth, and 4,000Wh of in-house battery means range isn’t a concern. It lives at the shop as our demo unit — if you want to see it in person, come by.
