Our Spark aluminum adventure bikes are designed to take you anyplace you want to explore. Through axles, disc brakes and generous tire clearance deliver comfort and control in all conditions. Meanwhile, the Sparks lower bottom bracket and longer stays give you greater stability for when the pavement ends and the fun begins. And for even more versatility in the back-country, try the Spark 4 Adventure Edition. With its full fenders and sturdy rear rack, ItÂ’s your perfect dirt touring companion.