With a modern and elegant look, our Selva is built around a lightweight aluminum frame, along with a good 2x9 Shimano Tourney gear groupset and a 9-speed Shimano Altus rear derailleur. Its hydraulic disc brakes ensure a highly secure, comfortable, and durable system, even in rainy conditions. Double-layer aluminum rim for greater strength and reinforced all-terrain tires, 29" x 2.125". Selva With a modern and elegant look, our Selva is built around a lightweight aluminum frame, along with a good 2x9 Shimano Tourney gear set and a 9-speed Shimano Altus rear derailleur. Its hydraulic disc brakes ensure a highly secure, comfortable, and durable system, even in rainy conditions. Double-layer aluminum rim, for greater strength, and reinforced all-terrain tires, 29" x 2.125".