SE Bikes Rear Solid Axle — 3/8" CrMo, 110mm Hub Width x 165mm Overall (MY18–MY20 Flyers)
This is a genuine SE Bikes rear solid axle replacement used on select SE cruiser BMX models. It’s a chromoly 3/8" axle built to match the factory rear hub spacing and dropout width found on specific SE Bikes model years.
This is not universal BMX hardware. It is model-year specific and intended only for SE Bikes frames and hubs listed below.
Key Functional Details
- Rear solid axle replacement
- 3/8" (9.5mm) chromoly axle
- 110mm hub spacing
- 165mm overall axle length
- Factory SE Bikes specification (A076)
- Designed for nut-mounted rear BMX cruiser hubs
Compatibility & Technical Notes
- Axle diameter: 3/8" (9.5mm)
- Hub width: 110mm
- Total axle length: 165mm
- Fits ONLY the following SE Bikes models:
- • MY2018–MY2020 So Cal Flyer
- • MY2018 Big Flyer
- • MY2018 Blocks Flyer
- Rear axle only — does NOT include bearings, cones, spacers, or axle nuts unless separately listed
- Not compatible with 14mm BMX axles, cassette hubs, thru-axle systems, or non-SE rear hubs
- Always confirm model year before ordering
Service / Ownership Context
This axle is matched to SE’s rear dropout spacing and hub shell dimensions from these specific model years. Installing the wrong axle length will cause bearing preload issues or dropout misalignment.
At Go Grava, we verify frame model and year before installing replacement axles to avoid hub damage or wheel alignment problems.
Fit & Use Signals
- Good Fit: SE So Cal Flyer MY18–20, SE Big Flyer MY18, MY18 SE Blocks Flyer using factory rear hubs.
- Not A Fit: Other BMX brands, 14mm axles, cassette hubs, thru-axle frames, or newer SE model years.