Specialized Turbo Vado 4.0 (Gen 2): parts and specs

Specs are for the stock bike as sold; check your own bike before you buy.

This page covers the second-generation Specialized Turbo Vado 4.0, sold from 2022, step-over and step-through. It runs the Specialized 2.0 mid-drive motor (70 Nm, 250 W nominal); see Brose and Specialized motors explained. The wheels use a 15 x 110 mm front and 12 x 148 mm rear thru-axle. The U2 battery fits every second-generation Vado; on the 3.0 and 5.0 trims, check the brakes and drivetrain on your bike before you order.

Parts list

• Tire: Specialized Pathfinder Sport Reflect, 650B x 2.3, front and rear. The Pathfinder Sport Reflect tire comes in 650b x 2.3 (35 to 65 psi) and sells for $45, read Nov 9, 2026.
• Inner tube: standard 650B x 1.75 to 2.4 tube with a 40 mm SV valve.
• Brake rotor: 180 mm, front and rear.
• Disc brake caliper: SRAM Level, 2-piston hydraulic, front and rear.
• Chain: KMC e11S, 11-speed, with Missing Link.
• Cassette: SRAM PG-1130, 11-speed, 11 to 42t, with a SRAM NX 11-speed derailleur and shifter.
• E-bike display: MasterMind TCD with handlebar remote, Bluetooth and a built-in anti-theft feature.
• E-bike charger: custom 42V 4A charger with a Rosenberger plug, 100 to 240V input. The Turbo Battery Charger is the matching 42V 4A Rosenberger charger, $199.99 and shown unavailable online, read Nov 9, 2026.
• E-bike battery: Specialized U2-710, integrated, 710Wh, with a state of charge display. The Specialized U2 Battery fits every second-generation Turbo Vado; $1,199.99 and out of stock online, read Nov 9, 2026.
• E-bike lights: Lezyne Ebike Hecto STVZO E65 headlight (210 lumen) and Spanninga Commuter Glow XE 12V taillight.
• Grips: Body Geometry Women's Contour on the step-through.
• Pedals: Specialized Commuter with grip tape and reflectors.
• Saddle: Bridge Sport, steel rails, 155 mm, on a 30.9 mm spring suspension seatpost with 40 mm travel.

Tools for common jobs

• Hex keys: caliper, stem, handlebar and seatpost bolts.
• Tire levers: changing a tube.
• Floor pump with gauge: holding the tires within 35 to 65 psi.
• Torque wrench: brake bolts, stem and pedals, to your manual's values.
• Pedal wrench: swapping the Commuter pedals; see replace pedals.
• Brake pad spreader: resetting the SRAM Level pistons before new pads.
• Brake bleed kit: bleeding the SRAM Level brakes, which use DOT brake fluid; see bleed SRAM brakes.
• Chain checker: catching wear on the 11-speed chain early.
• Chain lube: after cleaning and wet rides.
• Chain tool: sizing a new chain; the Missing Link joins it.
• Multimeter: testing charger output at its plug, as in check your charger. Never probe the battery.

Where to buy

• Specialized: the U2 Battery, Turbo Battery Charger and Pathfinder Sport Reflect tire.
• Independent sellers: parts suppliers.
• A Specialized dealer orders and fits the battery, charger and display: find a shop.

Common repairs

• Specialized Turbo troubleshooting and update e-bike firmware
• Replace disc brake pads, bed in disc brakes and fix a spongy brake lever
• Set tire pressure and e-bike flat tire
• Clean and lube the chain, check and replace the chain and adjust the rear derailleur
• Battery won't charge and e-bike battery care

Sources

• specialized.com
• Pathfinder Sport Reflect tire, specialized.com
• Turbo Battery Charger, specialized.com
• Specialized U2 Battery, specialized.com

Stuck after these checks? Find a shop near you.