DCTech BB86-92 Oversized Ceramic for BB30

The best press fit bottom bracket made for damaged frames that have play during the assembly, creating creaks, compatible with road (BB86) and mountain (BB92) bikes for BB30 cranks.

Characteristics:

• Bearing: Ceramic – ABEC5 / P5 – 2RS
• Cups: Aluminum 7075 T6 matt anodized black
• Sealing: Dual Radial / axial seals on bearing and fully sealed in all surfaces

Assembly specs:

• Frame diameter: Ø41mm OVERSIZED (From 41,000 to 41,050mm frames)
• Frame width: from 86.5mm to 92mm
• Crank diameter: Ø30mm (BB30)

Assembly instructions: Click here

Note: For a correct compatibility, mountain cranks should be always mount on mountain frames and road cranks on road frames.

Compatible:

Frame: BB86-BB92 Oversized (From 41,000 to 41,050mm frames)

Frame width: 86,5mm to 92mm

Cranks: BB30

Oversized: We all know the problems that this part of the bicycle can cause, sometimes the frames can wear out with use and become oversized. There was no solution for this type of problem, until now! If your bottom bracket goes in too soft even by hand, maybe it's time to switch to the only oversized bottom bracket on the market with Bikone.

"Form follows function"

DualCupTech™ automatically aligns bearing faces regardless of external factors. This alignment between the bearings on both sides is crucial and special care is taken in the manufacturing process to reduce this concentricity value to a minimum. The results are incredible, extremely smooth pedalling from day one.

DualCupTech™ is not only capable of self-aligning the bearings, but creates a strong central joint without requiring threads or single-piece designs. The result after assembly is that the bottom bracket performs as a solid part and eliminates any noise or movement issues.

DualCupTech™  can be assembled and disassembled like any other bottom bracket, without requiring special wrenches or complex instructions.

CeramicBallBearings: Expert maker in high performance bearings. Ceramic ball bearings offer superior corrosion resistance, higher dimensional stability, lower density, higher heat resistance. All this translates into a more efficient material for bottom brackets.

FullySealed: Every dust particle or water droplet is a potential cause of bearing noise or wear. That is why all our bottom brackets are fitted with up to five O-rings to keep dust, water, mud and moisture out of the bottom bracket.

Axial Seals: All our bearings are fitted with not one but TWO seals to protect against dust and moisture ingress. This section is crucial for maximum durability and performance of the bottom bracket.

7075-T6 aluminium: Aerospace quality and precision in one of the most capable aluminiums. Moreover, we have developed a particularly scratch-resistant matt anodising with a finish that would be worthy of any art gallery.

T6 heat treatment: For most aluminium alloys: 6061, 6063 and 7075, the best heat treatment is T6. The T6 heat treatment delivers increased hardness as well as other mechanical properties such as normalisation of its grain structure. This guarantees that all our aluminium products will perform perfectly throughout their service life.