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Proprietary stem for 2023 - 2025 S5 disc only
The presence of organic molybdenum particles reduces the friction extending the transmission lifetime
The clothing equipped with GRDXKN® can be washed normally
- Fully separable zipper with camlock closure
Cervelo HB19 Carbon 1-Piece Handlebar & Stem - HB-HB19 Size:80 x 36/40cm Proprietary stem for 2023 -HB19 uses our Plus Four concept, meaning the dimension at the hoods is 4cm narrower than in the drops (e. g. 38cm 42cm). This approach helps riders maintain a more aero body position while their hands are on the hoods, and provides stability in the drops for descending and sprinting. All bar sizes are UCI legal, even in light of the most recent regulations change. Compatibility: S5 (2026 present) S5 (2023 2025) SKU: HB HB19
