Kiaro Disc Shimano Ultegra DI2
simplon
Endurance
Kiaro Disc Shimano Ultegra DI2 is a carbon endurance road bike (2023), by Simplon, in the Kiaro series. It is best suited to a wide range of riders thanks to its fit flexibility, leaning toward a balanced riding position, and is well suited to rougher pavement and broken roads. Metric-wise, it stands out for good fit flexibility for dialing in rider position, strong speed potential on smoother terrain, and a balanced aero profile for mixed road priorities. What it gives up slightly is more of a flat-to-rolling terrain bias than a climbing focus and a value score that depends more on priorities than pure price efficiency. This summary is a starting point—compare this bike on MatchBikes.com with similar bikes.
Rating

Score Summary
Performance
Built for speed and efficiency
Fit
Dialed-in Fit & Comfort
Value
Specifications
General
Frame
Drivetrain
Wheels
Brakes
Cockpit
Seat
Geometry
| Measurement | 46cm | 49cm | 52cm | 55cm | 58cm | 61cm |
|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.48 mm | 1.5 mm | 1.52 mm | 1.56 mm | 1.57 mm | 1.59 mm |
| Bottom Bracket Height | 262 mm | 262 mm | 262 mm | 262 mm | 262 mm | 262 mm |
| Front Center | 590 mm | 593 mm | 589 mm | 602 mm | 618 mm | 633 mm |
| Rake | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm |
| Trail | 69 mm | 66 mm | 47 mm | 47 mm | 48 mm | 49 mm |
| Stack | 525 mm | 545 mm | 567 mm | 591 mm | 611 mm | 633 mm |
| Reach | 355 mm | 364 mm | 373 mm | 379 mm | 390 mm | 399 mm |
| Top Tube Length | 503 mm | 530 mm | 545 mm | 559 mm | 576 mm | 591 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 420 mm | 450 mm | 480 mm | 500 mm | 520 mm | 550 mm |
| Head Tube Angle | 69 ° | 70 ° | 72.5 ° | 72.5 ° | 72.5 ° | 72.5 ° |
| Head Tube Length | 120 mm | 136 mm | 151 mm | 176 mm | 195 mm | 216 mm |
| Chainstay Length | 406 mm | 406 mm | 406 mm | 406 mm | 406 mm | 406 mm |
| Wheelbase | 984 mm | 988 mm | 983 mm | 997 mm | 1013 mm | 1028 mm |
| Bottom Bracket Drop | 74 mm | 74 mm | 74 mm | 74 mm | 74 mm | 74 mm |
| Standover Height | 702 mm | 731 mm | 751 mm | 772 mm | 791 mm | 819 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 | 700 |




























































