Shimano Deore XT PF24 86–92mm Bottom Bracket

Overview

The Shimano Deore XT PF24 is a sealed press-fit bottom bracket engineered for mountain bikes with 86mm or 92mm threaded shells. This mid-to-high-end component features a 24mm hollow axle, sealed bearings, and reliable construction for demanding off-road and trail riding conditions.

Key Features

• Dual Shell Compatibility — Engineered for both 86mm and 92mm threaded bottom bracket shells; provides flexibility for different frame designs and geometries
• Press-Fit Design — Ensures precise fit and reliable clamping without additional tools or adjustments; simplifies installation on compatible frames
• 24mm Hollowtech II Axle — Hollow shaft diameter optimized for stiffness and rotational efficiency; proven geometry balances strength with weight reduction
• Sealed Bearing System — Protected bearings prevent dirt and moisture infiltration; extends component life and reduces maintenance in muddy and wet trail conditions
• Deore XT Series — Mid-to-high-end component tuned for reliable performance across varied terrain and aggressive riding
• 41mm Internal Diameter — Standard sizing ensures compatibility with most mountain bike frames and Hollowtech II cranks

Technical Specifications

• Type: Press-fit
• Shell width: 86mm or 92mm
• Internal diameter: 41mm
• Axle diameter: 24mm (Hollowtech II)
• Bearing system: Sealed bearings
• Series: Shimano Deore XT (mid-to-high-end)

Compatibility & Ideal Use Cases

Compatible with mountain bikes featuring either 86mm or 92mm threaded bottom bracket shells designed for Hollowtech II cranksets. Not compatible with BMX frames. The sealed bearings and dual-shell compatibility make this bottom bracket ideal for trail riders and mountain bikers seeking reliable, low-maintenance performance in wet and muddy conditions. Well-suited for cross-country, trail, and all-mountain riding where durability and consistent rotation are priorities. Not suitable for BMX, road, or fixed-gear applications.