The result: a cassette that's light

Doubledown technology

Total capacity 43T

Water-resistant pockets to keep your valuables dry

or secondary clear lens

SPURCYCLE C70 City/Flat Bar Mirror - 70mm wahoopromo The result: a cassette that'sDesigned with dedicated cyclists in mind, these bar end mirrors excel in form, function, durability, and affordability. Try one for a week, and you won't want to ride without it. Precisely designed to provide maximum utility from minimum form. Slimmed down to fit through doorways and amongst traffic but durably constructed to handle busy city activity Tempered glass to ensure optical clarity Robust, rigid arm minimizes image vibration Smooth, secure