Shimano Dura Ace 7801 Double STI Levers / 10spd
- Dura-Ace Triple STI levers with enhanced ergonomics and an effortless smooth shifting action
- Lightweight professional standard 10-speed shifting and braking lever set
- Shift stroke movement is reduced by 10 mm and ergonomically improved for easier shifting
- Refined lever hood design for comfort and improved ergonomics
- Flightdeck computer compatible
- For use with triple systems
Frame Details
| Approx. Frame Weight (g) | 1124 |
| Seatpost Size (mm) | 31.6 |
| Seat Clamp Size (mm) | 34.9 |
| Front Mech Clamp Size (mm) | 34.9 |
| Wheels | 700C. with clearance for 25mm tyres |
| Mudguard mounts | No |
| Rack Mounts | No |
| Bottle Cage Bosses | 1 set on size small, 2 sets on all other sizes |
| S(44) | M(48) | L(52) | XL(56) | ||
| A | Head Angle (°) | 72 | 72.5 | 73 | 73.5 |
| B | Head Tube Length (mm) | 125 | 145 | 165 | 190 |
| C | Effective Top Tube Horizontal (mm) | 530 | 547 | 570 | 590 |
| D | Seat Angle (°) | 74 | 73.5 | 73 | 72.5 |
| E | Seat Tube Length Centre to top(mm) | 440 | 480 | 520 | 560 |
| F | Chainstay Length (mm) | 408 | 408 | 408 | 408 |
| H | Standover Height (mm) | 720 | 740 | 775 | 780 |
| I | Stack (mm) | 523 | 544 | 565 | 590 |
| J | Reach (mm) | 379 | 385 | 397 | 405 |
Sizing Guide
| Rider Height | Suggested Frame Size |
|---|---|
| 5′3″ to 5′7″ (160cm-170cm) | Small |
| 5′8″ to 5′11″ (173cm-180cm) | Medium |
| 5′10″ to 6′2″ (178cm- 188cm) | Large |
| 6′1″ to 6′6″ (185cm- 198cm) | X-Large |
Sizing Notes
All frame size recommendations are approximate. A good fit will also depend on the correct choice of stem length, correct bike set-up for the rider and riding style.
Correct frame size choice can vary greatly with riders' torso length. If you have longer legs and a shorter torso, go for a slightly shorter stem. If you think you are borderline between sizes, and you have longer legs and a shorter torso, go for the smaller frame size. If you have shorter legs and a longer torso, go for the larger frame size to get the extra top tube length.
As the frame sizes increase, so does the length of the head tube. If you are inflexible or perhaps have a history of back problems, consider going for a larger frame size. This will increase the relative height of the handlebars making the position less “extreme”. The larger frame will also have a longer top tube, so you’ll need to compensate for this with a shorter stem.
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