Aventon Sinch.2: parts and specs
Replacement parts and specs for the Aventon Sinch.2 folding bike: 20 x 4 fat tires and Aventon's Sinch tube and tire, Tektro pads for its mechanical brakes, 8-speed, 48V 14Ah battery and 48V 3A charger.
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This page lists the common replacement parts for the Aventon Sinch.2 folding fat-tire bike. Specs are for the stock bike as sold; check your own bike before you buy. Full specs are in the Sinch.2 introduction. Check the Sinch.2 recall page to see whether your bike needs the recall fix. 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 Sinch.2 folded, showing the mechanical disc brake caliper.. 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: 20" x 4" fat tires. Aventon's tire for the Sinch ST and Sinch.2, SKU 19300-1000293, is $49.99 each, read Nov 9, 2026.
- Inner tube: Aventon's 20x4.00 inner tube, SKU 30342-2040006, fits the Sinch, Sinch ST and Sinch.2, $19.99, read Nov 9, 2026.
- Disc brake pads: Aventon's Tektro brake pads fit the Sinch.2 and suit Tektro brakes only, $10.99, read Nov 9, 2026.
- Disc brake caliper: mechanical disc brakes. Aventon's Mechanical Brake Caliper with Hardware comes as a front for the Sinch 2, SKU 19300-1000198, $19.99, and a rear for the Sinch 2, SKU 19300-1000199, $18.99, read Nov 9, 2026.
- Hub motor: 48V, 500 W.
- E-bike controller: the Aventon Controller comes in a Sinch 2 and Sinch 2.5 version, SKU 30411-4822013, $83.99, read Nov 9, 2026.
- E-bike display: full color display. The Aventon Full Color Display, BC 280 comes in a Sinch 2 version, SKU 30421-0048043, $69.99, read Nov 9, 2026.
- Throttle: on the right side of the bar.
- Pedal assist sensor: torque sensor.
- E-bike charger: 48V, 3 amp. Aventon's Battery Charger for the Pace 500, Level and Sinch groups, including the Sinch.2, is 54.6V, 3.0A, SKU 30470-4803025, $59.99, read Nov 9, 2026.
- E-bike battery: 48V, 14Ah, 672Wh. The Extra Aventon Battery for the Sinch ST and Sinch.2, SKU 30441-4814018, is $499, read Nov 9, 2026. Aventon also sells a Battery Cover for the Sinch 2, $18.99, read Nov 9, 2026.
- E-bike lights: integrated front and rear lights. Aventon's Integrated Taillight comes in left and right Sinch 2 versions, $8.99 and $9.99, read Nov 9, 2026.
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; check the size on yours.
- Torque wrench: axle nuts, brake bolts and pedals, to your manual's values.
- Cable cutters: trimming new brake or shift cables.
- Chain checker: catching chain wear early.
- Chain lube: after cleaning and wet rides.
- Chain tool: fitting a new chain.
- Multimeter: testing charger output at its plug, as shown in check your charger. Never probe the battery.
Where to buy
- Aventon's tire page, inner tube page, brake pad page, controller page and charger page; also its displays page, batteries page, tires page and tubes page.
- Independent sellers: parts suppliers.
- A shop or Aventon dealer can order and fit parts: find a shop.
Common repairs
- Aventon troubleshooting and Level.2, Pace, Sinch and Aventure error codes
- Sinch.2 recall
- Adjust mechanical disc brakes and replace disc brake pads
- 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
- Sinch.2 introduction, aventon.com
- tire, aventon.com
- tires page, aventon.com
- 20x4.00 inner tube, aventon.com
- tubes page, aventon.com
- Tektro brake pads, aventon.com
- Aventon Controller, aventon.com
- displays page, aventon.com
- Battery Charger, aventon.com
- batteries page, aventon.com
- Mechanical Brake Caliper with Hardware, aventon.com
- Aventon Full Color Display, BC 280, aventon.com
- Extra Aventon Battery, aventon.com
- Integrated Taillight, 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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