Shimano Ultegra R8150 Rim Brake Di2 Groupset + Rpantahi Carbon Cranks

Sale bundle, until 6 November 2026. The Ultegra R8150 Di2 rim brake groupset with Rpantahi carbon crank arms and white carbon spider fitted in place of the Shimano crank arms. Bought separately that is $1,888; the bundle is $1,699.

Includes:
- ST-R8150 Di2 shifters
- RD-R8150 Di2 rear derailleur
- FD-R8150 Di2 front derailleur
- Ultegra R8100 chainrings
- CS-R8100 cassette
- CN-M8100 12-speed chain with quick-link
- BR-R8100 rim brake calipers
- BT-DN300 Di2 battery
- Di2 wires and charging cable
- Rpantahi carbon crank arms (your crank length)
- Rpantahi carbon spider (white)

Shimano parts come with a 1-year local Shimano warranty. Professional installation available.