Stems

PRO Discover Stem Black, 70mm

MPN PRSS0512

Compatibility: reviewed

Known specifications can be used by the compatibility engine.

Retailer offers

Where to Buy

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BackcountryNew · Checked Nov 4, 2026, 5:33 AM

$79.99In stockVisit store

Competitive CyclistNew · Checked Nov 4, 2026, 4:31 AM

$79.99In stockVisit store

Technical data

Specifications

Clamp diameter: 31.8 mm
Stem length: 70 mm
Stem angle: 6°
Steerer clamp diameter: 28.6 mm

Catalog trust

Evidence and freshness

Technical-source dates and retailer offer checks are separate. A retailer check does not validate compatibility.

Report a correction

Technical review: Sep 9, 2026
Compatibility review: Reviewed Sep 9, 2026

Approved technical sources

Reviewed cockpit fact at Paul Lange 2020 exact PRO page matrix
- paul-lange.hu/wp-content/uploads/2020/05/plh_dealer_katalog_2020_arfrissitett_144dpi_web.pdfManufacturerSource checked Sep 8, 2026Evidence reviewed Sep 8, 2026
Reviewed cockpit fact at Product specification table and exact option identifiers
- velofactory.ch/PRO-Vorbau-Discover-6-318x70-schwarzManufacturerSource checked Sep 9, 2026Evidence reviewed Sep 9, 2026
Reviewed cockpit fact at backcountry catalog row 42699
- backcountry.tnu8.net/c/7664279/1942899/5311ManufacturerSource checked Sep 5, 2026Evidence reviewed Sep 8, 2026