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Basic Information

Product Name: Heart Rate Replacement StrapSKU: SR-HRM-DL-1
Model: 90-96 cmMaterial: 80% Nylon, 20% Spandex
Color: BlackFeatures: Sports Edition
Accessories: N/MPackaging: Paper Box
Warranty: N/MCountry of Origin: China

Product Videos



About This Product

  • 【Upgraded Stable Signal Transmission】Our raw materials have undergone multiple rigorous tests, utilizing stable conductive fabrics and the proprietary LUCKY BIG NINE electrodes. These two key components ensure reliable signal transmission between the heart-rate chest strap and the transmitter.
  • 【Broad Compatibility】Our heart-rate strap works with Garmin HRM, Wahoo Tickr (1st & 2nd gen), Polar (H7 and up), Mo Fit, Powr Labs, Coospo, Magene, and more. It is NOT compatible with Polar H9 & H10, MyZone, Peloton, Garmin Tri, or Wahoo Tickr (2020 3rd gen) and other built-in transmitters.
  • 【Stylish & Comfortable Soft Strap】Made from 80 % nylon and 20 % spandex, the strap features a sporty, cutting-edge look. The soft band delivers a comfortable, gentle yet durable wearing experience with excellent skin contact.
  • 【Adjustable Size】The LUCKY BIG NINE chest strap adjusts from 24.8 in to 38.1 in (63–97 cm). Its wearable length exceeds the adjustable range, giving over 1.2× stretch. The easy-to-use buckle lets you dial in the perfect fit quickly, ensuring both practicality and all-day comfort.
  • 【Easy Cleaning】Even in winter, simply wash the strap in 40 °C warm water—no peeling or deformation of the TPU elements.

Product Description

Ready to give your old heart-rate monitor a fresh start?

Meet the LUCKY BIG NINE chest strap. Upgraded conductive fabric and LUCKY BIG NINE electrodes keep the signal rock-solid; the 80 % nylon / 20 % spandex band feels like a second skin and adjusts from 24.8–38.1 in without pinching.

Snaps straight onto Garmin, Polar H7 and above, plus Wahoo Tickr (Gen 1 & 2). After your workout, rinse it under 36.5 °C water—warm enough for chilly mornings, simple enough for the laziest athlete.

LUCKY BIG NINE heart-rate chest strap

Garmin HRM replacement strap

Wahoo Tickr compatible band

Soft adjustable HR belt

Comfortable sports HR belt




Shipping Information

Order Processing24 H
Delivery Time1–2 Days
Shipping AreaAll of Japan


 ·Our product reviews may not be 100 % perfect, but we strive to deliver 100 % quality products!

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Polar H7 replacement strap


Brand Name LUCKY BIG NINE
Item Weight 31 G
Package Weight 40 G
Item Package Dimensions L x W x H 18*7.5*1.5 CM

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