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BMC Roadmachine 01 ONE vs Giant Defy Advanced SL 0

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

The short answer

For a typical all-round rider the Giant Defy Advanced SL 0 comes out ahead (82% against 76%). That is not a universal verdict — change the terrain or the priority and the order can flip.

BMC

Roadmachine 01 ONE

76% for a typical rider

£8,699 at Brand website
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Giant

Defy Advanced SL 0

82% for a typical rider

£9,499 at Brand website
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What actually separates them

Price
The BMC Roadmachine 01 ONE is £800 cheaper — £8,699 against £9,499.
Weight
The Giant Defy Advanced SL 0 is 0.7kg lighter, which you notice on long climbs more than anywhere else.
Riding position
The BMC Roadmachine 01 ONE sits you more upright (1.53 stack-to-reach against 1.50). The Giant Defy Advanced SL 0 is the more aggressive of the two — quicker if you can hold it, harder work if you cannot.
Tyre clearance
The Giant Defy Advanced SL 0 takes 40mm tyres against 36mm — the single most common thing buyers wish they had more of.
Climbing gear
The Giant Defy Advanced SL 0 has the easier bottom gear (25 gear inches against 27), which matters more than weight on anything genuinely steep.
Mudguards
Only the Giant Defy Advanced SL 0 takes mudguards, which decides whether it can be your winter bike.

Side by side

Spec Roadmachine 01 ONE Defy Advanced SL 0
Price £8,699 £9,499
Weight 7.7 kg 7.0 kg
Frame carbon carbon
Groupset Shimano Dura-Ace Di2 2x12 electronic SRAM RED AXS E1 12-speed
Stack / reach 1.53 1.50
Tyre clearance 36 mm 40 mm
Lowest gear 27 in 25 in
Mudguard mounts No Yes
Comfort 69 64
Speed 61 73
Climbing 77 91
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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