5DEV Bottom Brackets – Jewelry for Your Bike

The 5DEV Bottom Bracket is precision-made bike jewelry — built to perform, built to last, and built to look damn good doing it.

CNC machined titanium bearing cups, a CNC-machined 6061 aluminum internal sleeve, and XD-15 ceramic-hybrid ABEC-5 bearings, every detail is engineered for smooth, durable performance. 

Designed and machined in San Diego, our bottom brackets are more than a high end component — they're a finishing touch for riders who care about speed, strength, and style.

SPEC: 

Spindle compatibility: 29mm SRAM DUB & 5DEV 29mm
Weight:  110g (T47), 102g (BSA)
Install tool: Park tool BBT-47-16 (T47), BBT-79.3 (BSA)

Included with our BSA Bottom Bracket is the Following:

L/R Titanium Cups with Pressed XD15 DUB BB CXD-15 Radial Bearings
1 QTY Connecting Tube
2 QTY Bearing Washers
2 QTY 2.5mm Internal Spacers 
1 QTY 1mm Spacer
1 QTY 2mm Spacer
1 QTY 3mm Spacer
1 QTY Anti-Seize pouch

Included with our T47 Bottom Bracket is the Following:

L/R Titanium Cups with Pressed XD15 DUB BB CXD-15 Radial Bearings
1 QTY Connecting Tube
2 QTY Bearing Washers
1 QTY 1mm Spacer
1 QTY 2mm Spacer
1 QTY 3mm Spacer
1 QTY Anti-Seize pouch

Internal bearings only work on wider shells (86.5 mm or more)

Disclaimer: This is a professional level product designed to be installed by a professional mechanic using proper anti seize and torque specifications. If you are unsure how to install a Bottom Bracket. DO NOT ATTEMPT ON YOUR OWN! Stripping a thread on your frame is a catastrophic failure. If you do not use proper anti seize or perform proper routine maintenance, titanium can seize to your frame.