The speed sensor 2 attaches to the hub of either wheel and self-calibrates with your Edge® cycling computer or compatible Garmin device to give you accurate speed and distance at all times — even without a head unit
The backplate features a fully open design
The GX Eagle Transmission DUB crankset stands apart and gives no-nonsense riders a no-compromise balance of form and function
Trail Control Grid Lite T7 front / Ground Control Flex Lite T5/T7 rear: Balanced speed and durability
and the side knobs are angled and stepped to provide great biting traction in corners
Park Tool TM-1 Spoke Tension Meter Crank & Bottom Bracket The speed sensor 2 attachesPark Tool TM 1 Spoke Tension Meter The TM 1 Tension Meter accurately and reliably measures the absolute tension of each of the spokes in a wheel, as well as the relative tension between all the spokes in a wheel. Easy to use and priced affordably, the TM 1 works on nearly any bicycle spoke +no matter what the diameter, material, or shape. The TM 1 is for anyone building or truing wheels, diagnosing wheel problems, or assembling new bikes. It's a tool