Campagnolo QCK-TECH Bottom Bracket BB86
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Campagnolo QCK-TECH Bottom Bracket BB86
Campagnolo QCK-TECH Bottom Bracket BB86 Info
Press-fit bottom brackets live and die by two things: how well the bearings hold up and how painlessly they go in. The Campagnolo QCK-TECH Bottom Bracket BB86 addresses both — aluminum cups paired with a fiberglass-reinforced polyamide sleeve keep the assembly rigid and light, while the QCK-Tech system is designed to make installation straightforward without specialist tooling.
The oversized stainless-steel bearings seat directly onto the Ultra-Torque semi-axles, which is central to how Campagnolo's crankset interface transfers power through the drivetrain. A patented external seal closes off the bearing cavity from water and grit — the kind of protection that matters across long training blocks or wet-weather riding where lesser press-fit units start to creak and degrade.
Campagnolo QCK-TECH Bottom Bracket BB86 Specs at a Glance
- Frame Interface: BB86 press-fit shell — 86.5 mm width, 41 mm internal diameter
- Compatibility: Designed for Campagnolo Ultra-Torque cranksets
- Construction: Aluminum cups with fiberglass-reinforced polyamide sleeve
- Bearings: Oversized stainless-steel, integrated directly onto Ultra-Torque semi-axles
- Sealing: Patented external seal system
