Quick Summary
The BUCKLOS 20×4.0 Fat Tire Ebike Air Front Suspension Fork is a front fork for 20 inch 4.0 fat tire bikes, with 9×135 mm QR and disc brake compatibility mentioned for the exact model. It also notes crown lockout and manual ABS adjustment, so matching the bike’s setup matters before choosing an offer.
The fork is described as suitable for many 20 inch 4.0 fat tire snow bikes, beach bikes, and e-bikes. If you are replacing a fork, compare the wheel size, axle setup, brake type, and the listed model parameters carefully.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Product type | Front suspension fork for a 20 inch 4.0 fat tire bike. |
| Axle setup | 9×135 mm QR is stated, so the bike should match that configuration. |
| Brake type | Disc brake is stated, which matters for brake compatibility. |
| Travel | 180 mm travel tube is stated, a key dimension for fit and ride setup. |
| Adjustment | Manual ABS adjustment is stated for changing fork hardness and softness. |
| Reported weight | About 2645 g is listed for the fork. |
| Materials | Magnesium and aluminum alloy fork legs with imported air rods are stated. |
What to Compare Before Buying
- Wheel size: This fork is for 20 inch 4.0 fat tire bikes. Compare that size against your bike’s front wheel setup.
- Axle standard: The stated 9×135 mm QR setup needs to match the front hub and dropouts on the bike.
- Brake type: Disc brake compatibility is stated, so confirm your brake system matches.
- Travel and geometry: The stated 180 mm travel affects front-end height and fork fit, so compare it with your frame and riding position.
- Adjustment features: Crown lockout and manual ABS adjustment are listed, so confirm those are the controls you want.
When to Consider a Different Option
Choose a different fork if your bike does not match the stated 20 inch 4.0 size, 9×135 mm QR setup, or disc brake requirement. A different fork is also worth considering if you need a different travel amount or a different adjustment style.
Before You Decide
Confirm the 20 inch 4.0 fit, the 9×135 mm QR axle setup, and the disc brake requirement before choosing this fork. If your bike uses a different front-end standard, select a fork built for that exact setup.





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