BB4129 Ninja Thread Together Bottom Bracket

For BB86 / BB89.5 / BB92 (Ø41mm) Frames • SRAM DUB Cranks

The BB4129 is a high performance, thread together bottom bracket engineered for riders who demand maximum stiffness, durability, and silence from their drivetrain. Designed for BB86 / BB89.5 / BB92 frames and SRAM DUB cranksets, it uses a dual bearing layout toincrease load capacity and long term reliability.

Key Features
• Dual bearing architecture for higher load capacity and extended service life
• Fusion construction for optimal strength?to?weight performance
• X-Seal technology delivering robust water and contamination protection
• Direct contact bearings for superior power transfer and reduced flex
• Ninja thread together design that eliminates creaking and boosts frame interface stiffness
• Smooth, consistent performance in all riding conditions

Type: Thread Together
Frame Type: BB86 / BB89.5 / BB92 (dia.41x86.5/89.5/92)
Crank Type: SRAM DUB (dia.28.99mm)
Bearing Type: TBT (Ceramic), Premium (High Carbon Steel)
Weight: TBT: 92g / Premium: 92g

Installation: TOKEN recommends using their tool: BB841T-5RSP, compatible with PARK TOOL: BBT-69.4

The weight of BBs does not include spacers.

Want to understand more about how this Ninja BB will resolve creaking, check out Token's BLOG