WAHOO Trackr Heart Rate Monitor rear-derailleur keeping you on the right

keeping you on the right side of the ragged edge

and for much of year you won’t leave home without them either on or in your pockets

Ride through winter in more comfort with the AmFIB® Lite Skull Cap

For handlebar clamp ShiftMounts tighten clamp bolt to 1-2 Nm max torque

WAHOO Trackr Heart Rate Monitor rear-derailleur keeping you on the rightAccurate, reliable, comfortable and connected, the Wahoo TRACKR HEART RATE monitor offers athletes everything they need from a heart rate sensor to take their performance to the next level. Tech Specs: Weight: 1. 4 oz (39 g) with strap Battery: Rechargeable Lithium Ion Battery Life: Over 100 Active Hours Sweatproof: Yes (Handwashable Strap) Water Rating: IPX7 (up to 1 meter for 30 minutes) Strap Length: Adjustable from 27" to 36" (68cm to 91cm)