Reference

Aventon Level 4 REC: parts and specs

Replacement parts and specs for the Aventon Level 4 REC hub-motor commuter: Kenda 27.5 x 2.2 tires, Tektro hydraulic brakes with cutoff, 180 mm rotors, 8-speed, A280 display, 36V 20Ah battery, battery cover and chargers.

Last edited Nov 9, 2026 by Pedalwise team Edit History Add a subpage

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This page lists the common replacement parts for the Aventon Level 4 REC commuter. Specs come from Aventon's Level 4 REC spec page, its ADV vs REC guide and Aventon's parts pages, read Nov 9, 2026. The REC has a rear hub motor (750 W nominal, 80 Nm) with regenerative braking. Aventon's ADV step-through page shows the REC step-through with a Tektro HD-E3120 front brake, so check your calipers before you order.

Photo needed: The Level 4 REC from the drive side, showing the hub motor and 8-speed cassette.. Add one

Electrical parts must match this exact model and are fitted at the external plugs or by a pro. Never open the battery, controller, motor or display. For battery and charger trouble, start with battery won't charge and e-bike battery care.

Parts list

Tire: Kenda Kwick Seven-5 Sport, 27.5" x 2.2" (spec page). Aventon's tire page didn't list the Level 4 when we read it.
Inner tube: match the 27.5 x 2.2" tire. Aventon's inner tube page didn't list the Level 4 when we read it.
Brake rotor: 180 mm, 6-bolt, front and rear (spec page). Aventon's rear rotor page says its 180 mm rotor, SKU 19003-8000083, fits every Aventon except the Soltera SS, Soltera 7S and eMTBs.
Disc brake caliper: Tektro HD-E3520 2-piston hydraulic with E-Cutoff, front and rear on the step-over (spec page).
Chain: 7/8-speed, 120 links (spec page).
Cassette: Shimano CS-HG200-8, 8-speed, 12 to 32T, with a Shimano Altus RD-M310 derailleur, 8-speed trigger shifter and 48T chainring (spec page).
Hub motor: rear hub, 750 W nominal, 1188 W peak, 80 Nm (spec page).
E-bike controller: 36V, 33A (spec page).
E-bike display: Aventon A280 (spec page).
Throttle: included (spec page).
Pedal assist sensor: double-sided bottom bracket torque sensor, with a switch between cadence and torque modes (spec page).
Brake cutoff sensor: built into the Tektro E-Cutoff brakes (spec page).
E-bike charger: 42V, 4A (spec page). Aventon's Fast Charger page lists the Level 4 REC; its batteries page listed it at $259, read Nov 9, 2026.
E-bike battery: removable internal 36V, 20Ah, 733Wh with LG 21700 cells (spec page). Aventon's Battery Cover Assembly, SKU 19004-9000112, fits the Level 3, Level 4 REC, Pace 4 and Aventure 3, $10.99 on its batteries page, read Nov 9, 2026.
E-bike lights: front and rear lights integrated (spec page).
Grips: Aventon lock-on grips (spec page).
Pedals: 9/16" composite platform (spec page).
Saddle: Aventon saddle (spec page).

Tools for common jobs

Hex keys: caliper, stem and handlebar bolts.
Tire levers: changing a tube.
Floor pump with gauge: setting pressure within the sidewall range.
Axle nut wrench: removing the rear motor wheel; the size isn't stated, so check yours.
Torque wrench: axle nuts, brake bolts and pedals, to your manual's values.
Pedal wrench: swapping the 9/16" pedals; see replace pedals.
Brake pad spreader: resetting the pistons before new pads.
Brake bleed kit: bleeding the Tektro hydraulic brakes; see bleed Tektro brakes. Check the fluid with Aventon.
Chain checker: catching chain wear early.
Chain lube: after wet rides.
Chain tool: fitting a new chain at the listed length.
Multimeter: testing charger output at its plug, per check your charger. Never probe the battery.

Where to buy

Aventon's parts pages linked in the list above.
Independent sellers: parts suppliers.
A shop or Aventon dealer can order and fit parts: find a shop.

Common repairs

Sources

Stuck after these checks? Find a shop near you.

Need a pro?

If these steps didn't fix it, find a shop near you in our partner network. For battery or wiring trouble, look for shops marked Battery and electrical.

Talk

Questions, things that worked for you, or something that looks wrong on this page.

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