Bikone DCTech BB86-92 Oversized - Steel bearings - Shimano

Bikone DCTech BB86-92 Bottom Bracket (⌀41.05mm - Width 86.5 to 92mm) Pressfit Oversized with Steel Bearings - Shimano Compatible (⌀24mm)

The Bikone DCTech BB86-92 Oversized bottom bracket - Steel bearings - Shimano has been specially developed for frames whose bottom bracket housing has widened over time. This phenomenon, common on Pressfit frames, can cause play or poor bottom bracket fit. To address this, Bikone offers this model with slightly oversized cups (+0.05 mm), ensuring a firm and durable fit.

This way you can extend the life of your frame and continue to ride with peace of mind, kilometer after kilometer.

Compatibility

This bottom bracket is exclusively compatible with Pressfit frames, which have a larger housing diameter over time. It is designed for Shimano cranksets with a 24 mm axle and frames with a width between 86.5 mm and 92 mm, with an internal diameter of 41.05 mm. For correct installation, road cranksets should be used on road frames, and mountain bike models on mountain bike frames.

Box contents

• 1 DCTech BB86-92 Oversized bottom bracket for Shimano cranksets (24 mm)

Technical characteristics

• Crankset diameter: 24 mm ( Shimano )
• Frame width: from 86.5 mm to 92 mm
• Frame diameter: 41.05 mm (widened frame)
• Compatibility: Widened Pressfit frame
• Weight: 86 g

Technology and design

The Dual Cup Technology system uses two perfectly aligned aluminum cups that form a rigid central junction. This design helps eliminate unwanted noise and movement. The housing incorporates high-precision chrome steel bearings (ABEC5 / P5 – 2RS), ensuring smoothness and reliability.

The cups are made of T6-treated 7075 aluminum, an aeronautical alloy renowned for its strength. This heat treatment enhances the material's hardness and durability. The assembly is completely sealed thanks to axial seals and full protection on all surfaces.

Guarantee

• Lifetime warranty on cups
• 3-year warranty on bearings