Specifications
- Manufacturer
- Shimano
- Name
- Ultegra R8150 Di2 Rim Brake Groupset
- Series
- R8100
- Shifting
- Electronic
- Brake Type
- Rim
- Front Speeds
- 2
- Groupset
- Ultegra
- Description
- Shimano Ultegra R8100 12-speed semi-wireless Di2 groupset with rim brake dual control levers. Core kit: Di2 levers, derailleurs, crankset, cassette, chain and dual-pivot rim brake calipers.
- Rear Speeds
- 12
Shimano Ultegra R8150 Di2 Rim Brake Groupset
Groupset
Loading offers…
Bundle Components
| Image | Component | Part | Quantity | Cheapest Price |
|---|---|---|---|---|
 | shifter left | Shimano ULTEGRA Di2 RIM BRAKE DUAL CONTROL LEVER 2X12s (Left) | 1 | - |
 | shifter right | Shimano ULTEGRA Di2 RIM BRAKE DUAL CONTROL LEVER 2X12s (Right) | 1 | - |
 | rear derailleur | Shimano ULTEGRA Di2 REAR DERAILLEUR 2X12s | 1 | - |
 | front derailleur | Shimano ULTEGRA Di2 FRONT DERAILLEUR 2X12s | 1 | - |
 | crankset | Shimano ULTEGRA CRANKSET 2X12s | 1 | - |
 | cassette | Shimano ULTEGRA HYPERGLIDE+ CASSETTE 12s (CS-R8100-12) | 1 | - |
 | chain | Shimano CN-M8100 HYPERGLIDE+ CHAIN 12s | 1 | - |
 | front brake caliper | Shimano ULTEGRA DUAL-PIVOT BRAKE CALIPER R8100 | 1 | - |
| rear brake caliper | Shimano ULTEGRA DUAL-PIVOT BRAKE CALIPER R8100 | 1 | - |
 | bottom bracket | Shimano SM-BBR60 THREADED BOTTOM BRACKET 68/70 MM | 1 | - |
Compatibility
This Shimano Ultegra R8150 Di2 Rim Brake Groupset is a Shimano Road groupset. It requires a 12-speed drivetrain and compatible components. It is designed for electronic shifting systems. For best performance, use with other R8100 components, though it is mechanically compatible with the parts listed below.
Compatible Wheels20
CompatibleShimano
27.5 100X15 MM THRU AXLE WHEEL FRONT
CompatibleShimano
27.5 110X15 MM THRU AXLE WHEEL FRONT
CompatibleShimano
27.5 142X12 MM THRU AXLE WHEEL REAR
CompatibleShimano
27.5 148X12 MM THRU AXLE WHEEL REAR
CompatibleShimano
27.5 CLINCHER 100 MM QUICK RELEASE WHEEL FRONT
CompatibleShimano
29 100X15 MM THRU AXLE WHEEL FRONT
CompatibleShimano
29 110X15 MM THRU AXLE WHEEL FRONT
CompatibleShimano
29 142X12 MM THRU AXLE WHEEL REAR
CompatibleShimano
29 148X12 MM THRU AXLE WHEEL REAR
CompatibleHunt
36 Carbon Wide Aero Wheelset
CompatibleHunt
36 UD Carbon Spoke Wheelset
CompatibleHunt
4 Season Aero Wheelset
CompatibleHunt
50 Carbon Wide Aero Wheelset
CompatibleHunt
50 UD Carbon Spoke Wheelset
CompatibleHunt
62 Carbon Aerodynamicist Wheelset
CompatibleMavic
Access R17
CompatibleMavic
Aksium
CompatibleDT Swiss
ARC 1100 DICUT 48
CompatibleDT Swiss
ARC 1100 DICUT 62
CompatibleDT Swiss
ARC 1100 DICUT 80
Compatible Frames20
CompatibleTrek
1120 Frameset
CompatibleLook
875 Madison RS
CompatibleLook
895 Vitesse
CompatibleTrek
920 Frameset
CompatibleLook
AL 464 P
Colnago
C68 Rim Brake
CompatibleBMC
Crossmachine CX01 DTI
CompatibleVitus
Energie
CompatibleElves
Falath PRO 2022
CompatibleTrek
Farley AL Frameset 12x197
CompatibleTrek
Farley AL Frameset 15x150
CompatibleTrek
Farley EX Frameset
CompatibleLightCarbon
Fixie Carbon Track Bike Frame
CompatibleBMC
Fourstroke FS01
CompatibleBMC
Fourstroke FS01 29
standert
frame
CompatibleTrek
Fuel EX Carbon Frameset Gen 7
CompatibleBMC
Granfondo GF01
CompatibleBMC
Impec
CompatibleTrek
Marlin Frameset Gen 2
Frequently Asked Questions
What fits with Shimano Ultegra R8150 Di2 Rim Brake Groupset?
Shimano Ultegra R8150 Di2 Rim Brake Groupset is compatible with wheels, frames that match its technical standards. Most importantly, it requires matching 12-speed components.
Can I use a higher or lower speed chain with Shimano Ultegra R8150 Di2 Rim Brake Groupset?
No, Shimano Ultegra R8150 Di2 Rim Brake Groupset requires a 12-speed chain. Chains for different speeds have different external widths and internal profiles, which will cause poor shifting or mechanical interference.
Is Shimano Ultegra R8150 Di2 Rim Brake Groupset compatible with disc brakes?
No, Shimano Ultegra R8150 Di2 Rim Brake Groupset is designed specifically for rim systems. The mounting standards and architectural requirements for rim brakes are completely different and cannot be mixed.
Can I mix Shimano Ultegra R8150 Di2 Rim Brake Groupset with MTB components?
While some mechanical standards (like cassette spacing at certain speeds) may overlap, Shimano Ultegra R8150 Di2 Rim Brake Groupset is optimized for Road use. Mixing with MTB parts often fails due to differing pull ratios and chainlines.