ROCKBROS RK145 Sillín de bicicleta deportivo anatómico con hueco central, Negro

The ROCKBROS RK145 rethinks saddle comfort for riders who push beyond casual spins. Its anatomical profile and central cut-out work together to reduce pressure on sensitive areas, while the waterproof PU cover shrugs off rain and road spray. Unlike flat, heavily padded saddles that cause chafing on longer rides, the RK145 uses high-density foam that supports without bottoming out, and the polypropylene shell keeps the shape stable under hard pedaling.

Highlights

• Anatomical shape with central cut-out for perineal pressure relief
• Waterproof PU leather cover – easy to clean and weather-resistant
• High-density polyurethane foam padding – firm yet forgiving
• High-strength polypropylene base shell – resists flex and deformation
• Steel rails, 7 mm diameter – fits standard two-rail seatpost clamps
• Anti-slip textured surface – keeps you planted during sprints and climbs
• Breathable design – promotes airflow to reduce heat buildup
• Unisex fit for road, MTB, and commuting

In daily use

Mounting takes minutes with any standard seatpost. The 7 mm steel rails slide into the clamp and hold tight, even on rough gravel or potholed streets. On the bike, the saddle feels supportive from the first pedal stroke: the central cut-out eliminates numbness, while the slight rear rise helps you find a stable position. The PU cover wipes clean after muddy rides, and the anti-slip texture means no sliding forward when you're out of the saddle on a climb. For commuters, the waterproof surface handles morning dew and sudden showers without soaking through.

Full specifications

• Brand: ROCKBROS
• Model: RK145
• MPN: 5907769390586
• EAN: 5907769390586
• Type: Sport / Performance saddle
• Colour: Black
• Cover material: PU leather (waterproof)
• Padding material: High-density polyurethane foam
• Base material: Polypropylene (PP)
• Rail material: Steel
• Rail diameter: 7 mm
• Rail type: Standard round rails
• Gender: Unisex
• Intended use: Road cycling, mountain biking, commuting
• Features: Central cut-out, anti-slip, breathable, shock-absorbing, waterproof

Final note

A practical upgrade for any rider who wants all-weather durability and pressure-relieving comfort without a heavy price tag. The RK145 proves that a performance saddle doesn't have to be minimalist or uncomfortable.