Aventon Pace 4: parts and specs
Replacement parts and specs for the Aventon Pace 4: 27.5 x 2.1 tires, Tektro hydraulic brakes with 180 mm rotors, 8-speed Shimano cassette, BC147 display, 36V 20Ah battery and 42V 4A charger.
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Tools
This page lists the common replacement parts for the Aventon Pace 4 cruiser, step-over and step-through. Specs come from Aventon's Pace 4 spec page and Aventon's parts pages, read Nov 9, 2026. Aventon's parts pages often don't show a price until you pick your model, so where no price is given below, check the page or ask Aventon.
Photo needed: The Pace 4 step-through from the side, with the battery in place.. Add one
Electrical parts on this list must match this exact model, and they 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: 27.5" x 2.1" (spec page).
- Inner tube: match the 27.5" x 2.1" tire. Aventon's inner tube page didn't list the Pace 4 when we read it; its tubes page showed tubes from $9.99, read Nov 9, 2026.
- Brake rotor: 180 mm 6-bolt, front and rear (spec page).
- Disc brake caliper: Tektro hydraulic with e-cutoff, front and rear; the model isn't listed (spec page).
- Chain: 7/8 speed, 122 links (spec page).
- Cassette: Shimano CS-HG200-8, 8-speed, 12 to 32T, Shimano Altus derailleur, 48T chainring (spec page).
- Hub motor: 36V, 500 W rear hub, 60 Nm (spec page).
- E-bike controller: Aventon's controller page lists a Pace 4 version, SKU 19004-0100042. Its displays and controllers page listed an Aventon Controller at $83.99, read Nov 9, 2026.
- E-bike display: Aventon BC147 (spec page). Aventon's displays page listed the BC147 from $38.99, read Nov 9, 2026, but its BC147 page named only other models, so confirm the Pace 4 version with Aventon.
- Throttle: Aventon left-hand handlebar throttle (spec page).
- Pedal assist sensor: double-sided bottom bracket torque sensor (spec page).
- Brake cutoff sensor: the Tektro brakes have an e-cutoff (spec page).
- E-bike charger: 42V, 4A output (spec page).
- E-bike battery: removable internal 36V, 20Ah, 733Wh (spec page). Aventon's Battery Cover Assembly lists the Pace 4, $10.99 on its batteries page, read Nov 9, 2026.
- E-bike lights: front and rear lights integrated (spec page).
- Pedals: 9/16" composite platform (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 when the Tektro lever feels soft; see bleed Tektro brakes. Check the fluid with Aventon.
- Chain checker: catching chain wear early.
- Chain lube: after cleaning and 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 controller page, displays page and batteries page.
- Independent sellers: parts suppliers.
- A shop or Aventon dealer can order and fit parts: find a shop.
Common repairs
- Aventon troubleshooting and e-bike error codes
- Replace disc brake pads, bed in disc brakes and fix a spongy brake lever
- Bleed Tektro brakes
- Fix a flat on a rear hub motor wheel and set tire pressure
- Clean and lube the chain, check and replace the chain and adjust the rear derailleur
- Check your charger and check the brake cutoff and throttle
Sources
- Pace 4 spec page, aventon.com
- inner tube page, aventon.com
- tubes page, aventon.com
- controller page, aventon.com
- displays and controllers page, aventon.com
- BC147 page, aventon.com
- Battery Cover Assembly, aventon.com
- batteries page, aventon.com
Stuck after these checks? Find a shop near you.
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.
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