BUCKLOS BSA Bottom Bracket — Multi-Fit Sealed Bearing
⭐ Club Checked
CNC-machined high-strength steel and fully sealed cartridge bearings keep grit, mud and water out through the wettest winter rides. One bracket family covers BSA shells from 68mm right up to 120mm, so it's built to handle mountain, snow and fat bike frames alike.
Simple, Solid, Sealed
CNC high-strength steel construction · Sealed bearing design · Fits BSA 68-120mm shells · Multiple axle lengths for square taper cranksets
🔧 Wide Shell Compatibility
Covers BSA shells from 68mm right up to 120mm, with axle lengths from 110.5mm to 174mm — one bracket family for mountain, snow and fat bike frames.
🛡️ Sealed Bearing Protection
Fully sealed cartridge bearings keep grit, mud and water out, so it keeps spinning smooth through wet rides and winter mud.
⚙️ Built From Real Steel
CNC-machined high-strength steel body — no cheap alloy shortcuts, just a bracket that shrugs off the pounding fat and snow bikes dish out.
📦 What's in the Box
Bottom bracket plus two fitting screws — ready to thread straight in.
Specifications
| Brand | BUCKLOS |
| Material | CNC high-strength steel |
| Structure | Sealed bearing |
| Shell fit | BSA 68/80/90/100/110/120mm |
| Weight | Approx. 320-420g |
| Use | Mountain / snow / fat bike |
Grab the size that matches your frame and get spinning.