Selle Royal Nivo Grips Hands On, All Day Commuters, city riders, and adventure cyclists who spend real time on the bike know how quickly bad grips show up in tired wrists and slippery palms. The Nivo Grips are shaped for ergonomic hand positioning that keeps your wrists in a natural, relaxed alignment so you can ride longer without the ache. A textured surface moves moisture away from your palms and holds its feel through summer heat, and the high-density construction is built to take years of daily use without breaking down. For riders who want a grip that does its job quietly, ride after ride, these deliver. Features Ergonomic shape positions hands naturally for relaxed wrist alignment and reduced fatigue over long rides Textured surface channels moisture away from palms and maintains reliable grip in hot or humid conditions High-density construction resists abrasion and maintains structural integrity through years of frequent use130/90 sizing confirmed on product page; see spec table for full dimensional detail Intended use city rides, commuting, trekking and touring, sport and fitness Specifications Grip Type Lock-on (external plastic clamp with screw)Outer Diameter Variable Length130mm / 90mm (asymmetric pair, for twist-shifter setups; a 130/130 symmetric option also exists)Clamp Style Single external lock-on clamp, screw-secured Core Diameter22. 2mm (standard handlebar fit)Intended Use Commuting, Gravel | Selle Royal | Nivo Grips Black