2026 Giant XTC SLR 29 vs 2027 Specialized Epic Hardtail Comp SRAM 70, RockShox REBA

What changes on the Specialized Epic Hardtail Comp SRAM 70, RockShox REBA

Compared with the Giant XTC SLR 29 in M, the Specialized Epic Hardtail Comp SRAM 70, RockShox REBA in XS places the top of the head tube 13 mm lower and 55 mm further back, relative to the bottom bracket. Its wheelbase is 72 mm shorter, which can contribute to quicker direction changes.

Frame stack

−13 mm

Lower front end

Frame reach

−55 mm

Shorter frame reach

Wheelbase

−72 mm

Shorter: quicker to change direction

Head angle

−1.0°

Slacker: calmer steering

Chainstays

−10 mm

Shorter: livelier

The two frames

Geometry side by side

Differences are the Specialized Epic Hardtail Comp SRAM 70, RockShox REBA minus the Giant XTC SLR 29. Full charts: 2026 Giant XTC SLR 29, 2027 Specialized Epic Hardtail Comp SRAM 70, RockShox REBA.

Where each sits in its class

Giant XTC SLR 29Specialized Epic Hardtail Comp SRAM 70, RockShox REBA

Each bike is ranked against the other XC bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.

What each ships with

The stock build of each bike's first listed trim. Parts that match are dimmed.