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The BBB BTI-69 Inner Tube combines lightweight construction with reliable durability for 27.5-inch mountain bike wheels. Engineered as a super-lite option, this tube minimises rotational mass without sacrificing puncture resistance, making it ideal for riders prioritising performance and efficiency. The 48mm Presta valve with threaded fitting provides secure compatibility with modern rim designs whilst allowing straightforward inflation adjustments during rides. Designed to accommodate tyre widths between 2.10 and 2.35 inches, this inner tube offers versatile compatibility across contemporary trail and all-mountain setups. The super-lite construction reduces overall bike weight, improving acceleration and climbing efficiency whilst maintaining the durability expected from quality BBB components. The Presta valve's threaded design ensures a secure seal that resists accidental deflation, critical for maintaining pressure during technical riding. Premium rubber compounds resist pinch flats and punctures from sharp objects, providing peace of mind on rocky terrain and debris-strewn trails. The tube's consistent wall thickness ensures even pressure distribution, preventing stress concentrations that lead to premature failure. Whether you're racing cross-country, tackling enduro courses, or enjoying recreational trail riding, this inner tube delivers the lightweight performance and reliability that discerning mountain bikers expect. The super-lite specification makes it particularly valuable for weight-conscious riders building performance-oriented setups without compromising on durability.