SLR
Origin
Selle Italia launched the SLR (Super Light Racing) in 1999, when race saddles typically weighed 180–190g. At just 135g with a narrow slim profile, minimal padding and a long 275mm shape, it was 25–30% lighter than rivals and was adopted almost immediately by the pro peloton. Selle Italia's philosophy, voiced by president Mr Bigolin, was 'there is no reason to change a concept that works so well' — so across four generations (1999, 2010, 2018 Boost, 2025 Gen 4, the latter overseen by product manager Enrico Andreola) the SLR has evolved rather than been reinvented, keeping its neutral shape and biomechanical reference point intact.
Specifications
- Weight
- kg
The verdict
- Exceptionally light — 109g Racing Replica, 118–143g carbon tiers — genuinely competitive at pro level
- Neutral shape fits a broader range of riders than the flat Flite (works for both anterior and posterior pelvic tilt)
- Two width options (130/145 mm) across the whole range, sized via idmatch sit-bone caliper
- Superflow cutout available for perineal pressure relief on performance variants
- 25+ years of unbroken WorldTour use and a wide price ladder (€150 Advan to €450 3D Carbon)
- Minimal padding — firm, race-oriented feel that many riders find uncomfortable for long/relaxed riding
- Top tiers are expensive (3D Carbon €450); carbon-rail versions are stiff and unforgiving on rough roads
- Racing Replica ultralight padding shows cosmetic wear faster than standard (Selle Italia warns this is normal)
- Short Gen 4 length (242 mm) can limit seatpost clamp fore/aft adjustment on some bikes
- Not suitable for upright city/touring riders (posterior pelvic tilt) — they should look at Novus or Max
Who it’s for
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