Rotor T47 30mm EXTERNAL BB STEEL BLACK

ROTOR T4730 bottom brackets are available for frames with a standard T47 bottom bracket shell. As always, the bottom bracket cups are precision-machined in our Spanish manufacturing facility.

Rotor's T4730 External uses external cups, measuring roughly 11.5mm outboard on each side.

Rotor's T4730 Internal uses internal cups in which the only outboard piece is the castellated flange, which measures roughly 1.7mm on each side.

Rotor's T4730 Asymmetric utilizes one inboard and one outboard cup, primarily for threaded BBRight bottom brackets.

Specs:
Weight Ceramic: 97 grams
Steel: 103 grams
Frame Compatibility 68mm Road BB Shell
73mm MTB BB Shell
Crankset Compatibility ALDHU/VEGAST Standard Road Axle
ALDHU/VEGAST Offset Road Axle
ROTOR L135mm MTB Axle
ROTOR L141mm MTB Axle
ROTOR L144mm MTB Axle
Most other 30mm axle cranksets

First, you'll get 5% back in store credit to use towards future purchases.

When you purchase through us, you get:

• Advice on whether the bike or product suits your needs.
• A professional build for all bikes, which ensures safety. If there is an issue, we can promise you that 99 out of 100 times, it will be resolved quicker than you can in your garage.
• A build history that becomes a service history, ideally. That can be very helpful if you do have any sort of warranty issue.
• Warranty support - Just contact us and we will guide you through the process.