Allied Alfa Disc Ultegra R8100 Di2 2021
2021 Road
Estimate price |
8,220$
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Wheels 700c -
Groupset Ultegra Di2 -
Suspension Rigid -
Drivetrain 2 × 12 Electronic -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
49cm
155cm - 163cm
52cm
161cm - 169cm
54cm
166cm - 175cm
56cm
172cm - 181cm
58cm
178cm - 186cm
61cm
183cm - 191cm
Parts list
Components
Main components, grouped by system.
Bike components
Drivetrain
Rear Derailleur
Shimano Ultegra RD-R8150 Di2
Front Derailleur
Shimano Ultegra FD-R8150 Di2
Shift Levers
Shimano Ultegra ST-R8170 Di2
Cassette
Shimano Ultegra CS-R8100 11-30
Crank
Shimano Ultegra FC-R8100 50/34
Bottom Bracket
Shimano Ultegra SM-BBR60
Chain
Shimano XT CN-M8100
Wheels
Rims
Industry Nine AR25
Tires
Vittoria Rubino Pro TLR 700x28
Brakes
Brakes
Shimano Ultegra BR-R9170
Cockpit
Stem
FSA Energy
Handlebar
FSA K-Force Compact Carbon
Seat
Saddle
Ergon SR10 S/M Tinox Saddle
Seatpost
FSA SL-K Carbon Seatpost
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 49cm | 52cm | 54cm | 56cm | 58cm | 61cm |
|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.31 mm | 1.36 mm | 1.39 mm | 1.42 mm | 1.46 mm | 1.49 mm |
| Bottom Bracket Height | 264 mm | 264 mm | 267 mm | 267 mm | 268 mm | 268 mm |
| Front Center | 570 mm | 575 mm | 581 mm | 592 mm | 607 mm | 614 mm |
| Rake | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Trail | 62 mm | 58 mm | 60 mm | 55 mm | 55 mm | 51 mm |
| Stack | 498 mm | 520 mm | 536 mm | 557 mm | 585 mm | 605 mm |
| Reach | 379 mm | 383 mm | 386 mm | 393 mm | 401 mm | 407 mm |
| Top Tube Length | 510 mm | 534 mm | 545 mm | 562 mm | 580 mm | 598 mm |
| Seat Tube Angle | 75.5 ° | 74 ° | 73.5 ° | 73.25 ° | 73 ° | 72.5 ° |
| Seat Tube Length | 482 mm | 512 mm | 532 mm | 552 mm | 572 mm | 602 mm |
| Head Tube Angle | 72.25 ° | 73 ° | 73 ° | 73.5 ° | 73.5 ° | 74 ° |
| Head Tube Length | 97 mm | 117 mm | 137 mm | 157 mm | 187 mm | 207 mm |
| Chainstay Length | 407 mm | 407 mm | 407 mm | 407 mm | 407 mm | 407 mm |
| Wheelbase | 966 mm | 971 mm | 978 mm | 989 mm | 1005 mm | 1012 mm |
| Bottom Bracket Drop | 71 mm | 71 mm | 69 mm | 69 mm | 67 mm | 67 mm |
| Standover Height | 747 mm | 772 mm | 788 mm | 812 mm | 836 mm | 859 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 | 700 |
| Rider Min Height | 155 cm | 161 cm | 166 cm | 172 cm | 178 cm | 183 cm |
| Rider Max Height | 163 cm | 169 cm | 175 cm | 181 cm | 186 cm | 191 cm |
About this model
Alfa Disc Ultegra R8100 Di2 is an Allied Alfa model. There are 38 bikes that carry this model name. Take a sneak peek at all Allied Alfa bikes models from 2021, by clicking here.
Model range prices
The most economical model, the Allied Alfa Disc Ultegra 8020 Mechanical 2021 has a starting price of 6720$. Allied Alfa Disc Dura-Ace R9200 Di2 2021 on the other hand is the most expensive at 11125$.
Safety
Your safety is a top priority so always wear a helmet when you ride your bike. Moreover, wear the right clothing. You want to be visible to other drivers, so avoid wearing dark clothing.
Endurance bikes average price
According to our math, the average price for a trustworthy Endurance bike is 2346$. However, this doesn’t mean that if you spend less money on an Endurance bike, you couldn’t get a decent one. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
Furthermore, this bike was made available in 2021 for 8220$. Comparing this to the average Endurance bike price, we see that the price is 250.38% more expensive.
Overview of components
Fork material
The fork on this bike is made out of carbon, so, it’s a great addition to the bike’s value. However, carbon forks should be regularly inspected for damage because even the smallest crack could cause the fork to fall apart.
Wheels
The Alfa Disc Ultegra R8100 Di2 2021 bike is equipped with 700c aluminum wheels when leaving the factory. There is no doubt, that 700c wheels are very popular on all road bike models. However, while they give you great speed and control, these wheels are not so bump-friendly.
Brakes
Nothing is more important on a bike than its ability to brake properly. Allied Alfa Disc Ultegra R8100 Di2 is equipped with Hydraulic Disc brakes. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, you can ride your bike with confidence.
Sizes
Allied Alfa Disc Ultegra R8100 Di2 bike has 6 sizes, in the range of 155 cm – 191 cm (5.09 ft – 6.27 ft). In short, it won’t be difficult to find the right one for you.