Gu Roctane Energy Gel 32g Body Care & Protection The NG MTB SRAM single Size:11 34T The NG MTB SRAM single power meter spider (boost) is the power meter for all mountain bikers who already use a direct mount SRAM single crankset or a modular SRAM crankset with a Q factor of 168mm (these cranks use 3 bolts to tighten the spider) the latest Ultegra 12 speed Di2 groupset and a MERIDA TEAM SL one piece cockpit is the perfect combination when you are looking for a top end road bike GU Roctane Energy Gel stands out from original GU Energy Gel with more sodium The 100 calorie packets contain carbohydrates (maltodextrin and fructose) that use non competing pathways to help maximize carbohydrate absorption and utilization while diminishing stomach distress