Colnago V4 Shimano 105 Di2 vs Rose Shave Ultegra Di2
Both are race bikes at a similar price. Here is what actually separates them.
The short answer
For a typical all-round rider the Rose Shave Ultegra Di2 comes out ahead (75% against 68%). That is not a universal verdict — change the terrain or the priority and the order can flip.
What actually separates them
- Price
- The Colnago V4 Shimano 105 Di2 is £276 cheaper — £4,924 against £5,200.
- Weight
- The Rose Shave Ultegra Di2 is 0.5kg lighter, which you notice on long climbs more than anywhere else.
- Riding position
- The Rose Shave Ultegra Di2 sits you more upright (1.54 stack-to-reach against 1.46). The Colnago V4 Shimano 105 Di2 is the more aggressive of the two — quicker if you can hold it, harder work if you cannot.
- Tyre clearance
- The Rose Shave Ultegra Di2 takes 36mm tyres against 30mm — the single most common thing buyers wish they had more of.
Side by side
| Spec | V4 Shimano 105 Di2 | Shave Ultegra Di2 |
|---|---|---|
| Price | £4,924 | £5,200 |
| Weight | 8.3 kg | 7.8 kg |
| Frame | carbon | carbon |
| Groupset | Shimano 105 Di2 R7170 2x12 electronic | Shimano Ultegra Di2 R8150 2x12 electronic |
| Stack / reach | 1.46 | 1.54 |
| Tyre clearance | 30 mm | 36 mm |
| Lowest gear | 27 in | 27 in |
| Mudguard mounts | No | No |
| Comfort | 42 | 71 |
| Speed | 68 | 58 |
| Climbing | 69 | 76 |
| Value | 0 | 0 |
Neither might be the right answer
This page assumes an average rider. Tell us how you actually ride and we will rank these two against everything else at the price.
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