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Specialized Tarmac SL9 S-Level - Shimano Dura-Ace Di2 vs Trek Madone SLR 9 Gen 8

Both are race bikes at a similar price. Here is what actually separates them.

The short answer

For a typical all-round rider the Specialized Tarmac SL9 S-Level - Shimano Dura-Ace Di2 comes out ahead (75% against 73%). That is not a universal verdict — change the terrain or the priority and the order can flip.

Specialized

Tarmac SL9 S-Level - Shimano Dura-Ace Di2

75% for a typical rider

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Trek

Madone SLR 9 Gen 8

73% for a typical rider

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What actually separates them

Price
The Specialized Tarmac SL9 S-Level - Shimano Dura-Ace Di2 is £1,251 cheaper — £8,749 against £10,000.
Climbing gear
The Specialized Tarmac SL9 S-Level - Shimano Dura-Ace Di2 has the easier bottom gear (29 gear inches against 32), which matters more than weight on anything genuinely steep.

Side by side

Spec Tarmac SL9 S-Level - Shimano Dura-Ace Di2 Madone SLR 9 Gen 8
Price £8,749 £10,000
Weight 7.1 kg 7.0 kg
Frame carbon carbon
Groupset Shimano Dura-Ace Di2 R9200 2x12 electronic Shimano Dura-Ace Di2 R9270 2x12 electronic
Stack / reach 1.43 1.44
Tyre clearance 32 mm 32 mm
Lowest gear 29 in 32 in
Mudguard mounts No No
Comfort 44 40
Speed 83 84
Climbing 81 73
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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