Skip to content
WhichBike

Specialized Roubaix SL8 Pro - SRAM Force AXS vs Giant Defy Advanced SL 1

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

The short answer

These two score within 1 point of each other for a typical all-round rider, so there is no single winner — the right one depends entirely on which of the differences below you care about.

Specialized

Roubaix SL8 Pro - SRAM Force AXS

79% for a typical rider

✓ Checked

Giant

Defy Advanced SL 1

80% for a typical rider

✓ Checked *

What actually separates them

Price
The Specialized Roubaix SL8 Pro - SRAM Force AXS is £200 cheaper — £6,999 against £7,199.
Weight
The Giant Defy Advanced SL 1 is 0.5kg lighter, which you notice on long climbs more than anywhere else.
Riding position
The Specialized Roubaix SL8 Pro - SRAM Force AXS sits you more upright (1.56 stack-to-reach against 1.50). The Giant Defy Advanced SL 1 is the more aggressive of the two — quicker if you can hold it, harder work if you cannot.

Side by side

Spec Roubaix SL8 Pro - SRAM Force AXS Defy Advanced SL 1
Price £6,999 £7,199
Weight 7.9 kg 7.4 kg
Frame carbon carbon
Groupset SRAM Force AXS E1 2x12 electronic SRAM Force AXS E1 12-speed
Stack / reach 1.56 1.50
Tyre clearance 40 mm 40 mm
Lowest gear 25 in 25 in
Mudguard mounts Yes Yes
Comfort 73 64
Speed 56 68
Climbing 80 86
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.

Find my bike

Related comparisons