{"product_id":"schwalbe-smart-sam-plus-hs-624-e-50-29-x-2-25-57-622-wire-bead-reflective-e-bike-ready-50-black","title":"Schwalbe Smart Sam Plus HS 624 (E-50) – 29 x 2.25\" | 57-622 | Wire Bead | Reflective | E-Bike Ready 50 | Black","description":"\u003ch2\u003eSchwalbe Smart Sam Plus HS 624 (E-50) – Maximum Protection for Fast E-MTB\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eSchwalbe Smart Sam Plus HS 624 (E-50)\u003c\/strong\u003e is the premium, heavily protected version of the legendary Smart Sam — engineered specifically for fast e-bikes (S-Pedelecs) and demanding e-MTB use. Combining the Smart Sam’s proven all-terrain versatility with an extra layer of puncture protection, this tyre is the definitive choice for riders who cannot afford a flat.\u003c\/p\u003e\u003cp\u003eWith \u003cstrong\u003eSnakeSkin sidewall reinforcement\u003c\/strong\u003e, a \u003cstrong\u003eGreenGuard puncture belt\u003c\/strong\u003e, and \u003cstrong\u003eMTB-DoubleDefense\u003c\/strong\u003e protection, the Smart Sam Plus delivers outstanding reliability on tarmac, gravel, and trail — even under the increased loads of motor-assisted riding at speeds up to 50 km\/h. The \u003cstrong\u003ereflective sidewall strip\u003c\/strong\u003e adds essential visibility for early-morning and evening rides.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Smart Sam Plus HS 624 (E-50)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 29 x 2.25\" (ETRTO 57-622)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim diameter:\u003c\/strong\u003e 622 mm (29\" \/ 700c)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTyre width:\u003c\/strong\u003e 57 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTyre type:\u003c\/strong\u003e Wire bead (clincher)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSidewall:\u003c\/strong\u003e Black with reflective strip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1,035 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. pressure:\u003c\/strong\u003e 3.7 bar (54 PSI)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePuncture protection:\u003c\/strong\u003e Yes – MTB-DoubleDefense (SnakeSkin + GreenGuard)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReflective strip:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompound:\u003c\/strong\u003e Addix Performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eE-Bike certification:\u003c\/strong\u003e E-Bike Ready 50 (ECE-R75 approved, up to 50 km\/h)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEAN:\u003c\/strong\u003e 4026495912051\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer article number:\u003c\/strong\u003e 11159460\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging unit:\u003c\/strong\u003e 20 tyres per carton\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnology Stack\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSnakeSkin\u003c\/strong\u003e – Performance Line multi-layer sidewall fabric reinforcement against cuts, abrasion, and pinch flats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreenGuard\u003c\/strong\u003e – 3 mm highly elastic special rubber puncture belt under the tread (partly recycled material)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMTB-DoubleDefense\u003c\/strong\u003e – Combined protection: GreenGuard tread belt + SnakeSkin sidewalls for all-round flat defence\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAddix Performance Compound\u003c\/strong\u003e – Wide-range universal rubber for durability and grip across varied conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECE-R75 type approval\u003c\/strong\u003e – Legally approved for S-Pedelecs requiring insurance and registration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\u003ch3\u003eWhat is the difference between the Smart Sam and the Smart Sam Plus?\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eSmart Sam Plus\u003c\/strong\u003e adds the \u003cstrong\u003eMTB-DoubleDefense\u003c\/strong\u003e puncture protection system on top of the standard Smart Sam construction. This means an additional \u003cstrong\u003eGreenGuard puncture belt\u003c\/strong\u003e under the tread and \u003cstrong\u003eSnakeSkin sidewall reinforcement\u003c\/strong\u003e — making the Plus significantly more resistant to flats from thorns, glass, and trail debris. The trade-off is slightly more weight (1,035 g vs ~840 g for the standard version). For e-MTB and loaded touring, the Plus is the better choice.\u003c\/p\u003e\u003ch3\u003eWhat does E-50 (E-Bike Ready 50) mean?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eE-Bike Ready 50\u003c\/strong\u003e means this tyre is certified for fast e-bikes (S-Pedelecs) travelling up to \u003cstrong\u003e50 km\/h\u003c\/strong\u003e. It carries the \u003cstrong\u003eECE-R75 type approval\u003c\/strong\u003e, which is a legal requirement in most European countries for S-Pedelecs that require insurance and registration. If your e-bike exceeds 25 km\/h with motor assistance, you need an ECE-R75 approved tyre — this is it.\u003c\/p\u003e\u003ch3\u003eWhat is MTB-DoubleDefense and how does it work?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eMTB-DoubleDefense\u003c\/strong\u003e is Schwalbe’s combined puncture protection system for mountain bike use. It layers two complementary technologies: \u003cstrong\u003eGreenGuard\u003c\/strong\u003e — a 3 mm belt of highly elastic special rubber (partly recycled) under the tread — stops sharp objects penetrating from below, while \u003cstrong\u003eSnakeSkin\u003c\/strong\u003e — a dense multi-layer fabric reinforcement — protects the sidewalls from cuts, abrasion, and pinch flats. Together they provide 360° flat protection without the weight penalty of a full-protection tyre.\u003c\/p\u003e\u003ch3\u003eWhat is GreenGuard and is it eco-friendly?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eGreenGuard\u003c\/strong\u003e is Schwalbe’s Protection 5 puncture belt. It is made partly from \u003cstrong\u003erecycled rubber\u003c\/strong\u003e, making it one of Schwalbe’s more sustainable protection technologies. The highly elastic compound absorbs impacts without cracking and provides reliable protection against thorns, glass, and road debris. It sits directly under the tread, invisible from the outside.\u003c\/p\u003e\u003ch3\u003eWhat is SnakeSkin and why does it matter for e-bikes?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eSnakeSkin\u003c\/strong\u003e is Schwalbe’s Performance Line sidewall reinforcement — a dense, multi-layer fabric weave that resists cuts and abrasion from kerbs, rocks, and trail debris. On e-bikes, sidewall protection is especially important because the higher speeds and weights increase the risk of pinch flats and sidewall damage. SnakeSkin significantly reduces this risk without adding excessive weight.\u003c\/p\u003e\u003ch3\u003eWhat is the correct tyre pressure for the Smart Sam Plus?\u003c\/h3\u003e\u003cp\u003eThe maximum pressure is \u003cstrong\u003e3.7 bar (54 PSI)\u003c\/strong\u003e. For a 2.25\" wide tyre on an e-MTB, typical riding pressures are \u003cstrong\u003e2.0–3.0 bar (29–44 PSI)\u003c\/strong\u003e. Use lower pressures for trail grip and comfort on rough terrain; higher pressures for faster rolling on tarmac or hardpack. Heavier riders and e-bikes should generally run slightly higher pressures. Never exceed the maximum pressure marked on the tyre sidewall.\u003c\/p\u003e\u003ch3\u003eDoes this tyre have a reflective strip?\u003c\/h3\u003e\u003cp\u003eYes. The Smart Sam Plus features a \u003cstrong\u003ereflective strip on the sidewall\u003c\/strong\u003e, improving visibility in low-light conditions. This is a particularly valuable safety feature for e-bike commuters and riders who ride at dawn, dusk, or in urban traffic.\u003c\/p\u003e\u003ch3\u003eWhat rim size does this tyre fit?\u003c\/h3\u003e\u003cp\u003eThe Smart Sam Plus (57-622) fits \u003cstrong\u003e29\" rims\u003c\/strong\u003e (also known as 700c, ETRTO inner diameter 622 mm). It is not compatible with 26\", 27.5\", or other rim diameters. Always verify your rim’s ETRTO diameter before purchasing.\u003c\/p\u003e\u003ch3\u003eIs this tyre tubeless-ready?\u003c\/h3\u003e\u003cp\u003eNo. This listing is a \u003cstrong\u003ewire bead (clincher) tyre\u003c\/strong\u003e that requires a standard inner tube. Wire bead tyres are more affordable and very robust. A folding bead or tubeless-ready version may be available separately — check the product code carefully when ordering.\u003c\/p\u003e\u003ch3\u003eIs this tyre suitable for bikepacking or loaded touring on an e-bike?\u003c\/h3\u003e\u003cp\u003eYes — the Smart Sam Plus is an excellent choice for loaded e-bike touring. The MTB-DoubleDefense protection minimises the risk of flats in remote locations, the Addix Performance compound handles varied surfaces and temperatures, and the reflective strip improves safety on road sections. Its 29 x 2.25\" volume also provides good comfort over long distances.\u003c\/p\u003e\u003ch3\u003eIs this tyre sold individually?\u003c\/h3\u003e\u003cp\u003eYes, this listing is for \u003cstrong\u003eone (1) tyre\u003c\/strong\u003e. Trade cartons contain 20 units (VE: 20). Inner tube sold separately.\u003c\/p\u003e","brand":"Schwalbe","offers":[{"title":"Default Title","offer_id":57205772091657,"sku":"1402980805","price":49.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0082\/4128\/3143\/files\/f816ce405d661beefe551998b3272e1a_JPG.webp?v=1784385897","url":"https:\/\/silverbackbikes.de\/de\/products\/schwalbe-smart-sam-plus-hs-624-e-50-29-x-2-25-57-622-wire-bead-reflective-e-bike-ready-50-black","provider":"Silverback Bikes","version":"1.0","type":"link"}