SUPER73 Z1, Z Miami, ZX and Z Adventure Series: parts and specs

This page lists the common replacement parts for the SUPER73 Z series: the Z1, Z Miami, ZX and Z Adventure Series. Specs are for the stock bikes as sold; check your own bike before you buy. Full details for the 2025 bikes are on the Z Miami page and the ZX SE page.

Parts list

• Tire: Z Miami runs VEE Trooper tires, 4" front and rear. ZX runs MAXXIS Supersucker tires, 4.5" front and 5" rear. SUPER73's Trooper Tire 20in. x 4in. fits the Z Miami and ZX, $30 (regular price $60), read Nov 9, 2026.
• Inner tube: 20" x 4.5" tubes on both. SUPER73's inner tube 20" x 4"/4.5"/5" fits all Z series bikes, $10 (regular price $20), read Nov 9, 2026.
• Disc brake pads: SUPER73's 2-piston ceramic brake pads fit the Z1, and the Z Miami, ZX and Z Adventure Series from 2023 and earlier, $12.50 a pair for one wheel (regular price $25), read Nov 9, 2026. For newer bikes, check your caliper or ask SUPER73.
• Disc brake caliper: Z Miami has Tektro 2-piston mechanical brakes. ZX has Tektro 2-piston hydraulic brakes.
• Hub motor: 500W nominal on both the Z Miami and ZX.
• Throttle: thumb throttle on both. SUPER73's Thumb Throttle fits the Z series but not the Z1, $20, read Nov 9, 2026.
• E-bike charger: SUPER73's Battery Charger 54.6V 3A fits the Z Miami, ZX, Z Adventure Series, Z Blackout SE and Z Miami SE, 3-pin plug, $100, read Nov 9, 2026.
• E-bike battery: Z Miami, 48V 10Ah, 480 Wh, UL 2271 compliant. ZX, 48V 15Ah, 720 Wh, UL 2271 compliant. Ask SUPER73 support for the matching replacement.
• E-bike lights: LED headlight and taillight on both.

Tools for common jobs

• Hex keys: removing the caliper bolts takes a 5 mm hex.
• Brake pad spreader: pushing the pistons back with a piston press before fitting new pads on the ZX.
• Brake bleed kit: bleeding the ZX's Tektro hydraulic brakes. Tektro hydraulic brakes use mineral oil, see mineral brake oil.
• Cable cutters: trimming a new brake cable on the Z Miami's mechanical brakes.
• Tire levers: changing the 20 inch fat tire or tube.
• Floor pump with gauge: pumping to the range on your tire sidewall after a tube change.
• Axle nut wrench: removing the rear hub motor wheel to fix a flat.
• Torque wrench: tightening axle nuts and caliper bolts to the values in your manual.
• Chain checker: checking chain wear on the single speed drivetrain.
• Chain lube: regular chain care.

Where to buy

• SUPER73's own replacement parts collection sells tubes, tires, brake pads, chargers, batteries and a thumb throttle. Prices and fit notes are on each part's page.
• For a controller, display or motor, contact SUPER73 support so the part matches your bike and model year.
• Independent sellers are listed on our parts suppliers page.
• A local shop can order and fit parts: find a shop.

Common repairs

• SUPER73 troubleshooting, charger light flashing red and motor won't run, brake cutoff sensor
• SUPER73's brake pad replacement guide, plus our replace disc brake pads and bed in disc brakes
• Fix a flat on a rear hub motor wheel and set tire pressure
• Adjust mechanical disc brakes for the Z Miami and bleed Tektro hydraulic brakes for the ZX

Sources

• Z Miami page, super73.com
• ZX SE page, super73.com
• replacement parts collection, super73.com
• inner tube 20" x 4"/4.5"/5", super73.com
• 2-piston ceramic brake pads, super73.com
• Battery Charger 54.6V 3A, super73.com
• brake pad replacement guide, support.super73.com
• Trooper Tire 20in. x 4in., super73.com
• Thumb Throttle, super73.com

Stuck after these checks? Find a shop near you.