{"product_id":"xcadey-xpower-s-gen2-sram-8-bolt-107bcd","title":"XCADEY XPOWER-S Gen2 Power Meter — SRAM 8-Bolt 107 BCD","description":"\u003cdiv class=\"udc-full\"\u003e\n\u003carticle itemtype=\"https:\/\/schema.org\/Product\" itemscope=\"\" class=\"prod-intro\"\u003e\n\u003ch1 itemprop=\"name\"\u003eXCADEY XPOWER-S Gen2 Power Meter — SRAM 8-Bolt 107 BCD\u003c\/h1\u003e\n\u003cp itemprop=\"description\"\u003eThe \u003cstrong\u003eXCADEY XPOWER-S Gen2 Power Meter — SRAM 8-Bolt 107 BCD\u003c\/strong\u003e is a spider-based power meter that measures \u003cstrong\u003etotal (dual-leg) power\u003c\/strong\u003e directly at the chainring spider, with a claimed \u003cstrong\u003e±1.0% accuracy\u003c\/strong\u003e. Machined from \u003cstrong\u003eAL7075\u003c\/strong\u003e with \u003cstrong\u003e8 high-precision strain gauges\u003c\/strong\u003e, it transmits over \u003cstrong\u003eANT+\u003c\/strong\u003e and \u003cstrong\u003eBluetooth\u003c\/strong\u003e to your head unit and phone, recharges over a magnetic USB port, and mounts to \u003cstrong\u003eSRAM 8-bolt 107 BCD\u003c\/strong\u003e direct-mount cranks. Backed by a \u003cstrong\u003e24-month warranty\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"udc-spec-snapshot\"\u003e\u003cstrong\u003eSpec Snapshot:\u003c\/strong\u003e\u003cbr\u003eSpider-based · dual-leg power • ±1.0% accuracy • 0–2500 W •\u003cbr\u003eSRAM 8-bolt direct-mount · 107 BCD · AL7075 · 90 ±10 g •\u003cbr\u003eANT+ \/ Bluetooth · 350 h battery · USB magnetic · IP67\u003c\/p\u003e\n\u003csection class=\"features-benefits-grid features--image-sm\"\u003e\n\u003cdiv class=\"features-content\"\u003e\n\u003ch2\u003eXCADEY XPOWER-S Gen2 Power Meter — SRAM 8-Bolt 107 BCD — Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue Spider Power:\u003c\/strong\u003e measures combined left+right power at the spider for accurate, repeatable numbers — not an estimated single-side double.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e±1.0% Accuracy:\u003c\/strong\u003e eight high-precision strain gauges with intelligent temperature compensation for stable readings in heat and cold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Metrics:\u003c\/strong\u003e power, cadence, left\/right balance and pedalling smoothness, across 0–2500 W and 30–220 rpm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Protocol:\u003c\/strong\u003e ANT+ and Bluetooth pair with virtually any head unit plus iOS\/Android apps at the same time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e350-Hour Battery:\u003c\/strong\u003e long life from a 150 mAh cell, topped up via a magnetic USB blind-plug port in about 3 hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-Weather Build:\u003c\/strong\u003e IP67-rated and rated to operate from −10 °C to 50 °C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-image\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0954\/3424\/4411\/files\/POWER-METERT-SPIDER-SRAM-8-BOLT-107BCD.png?v=1789486145\"\u003e\u003cimg class=\"td-modal-image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0954\/3424\/4411\/files\/POWER-METERT-SPIDER-SRAM-8-BOLT-107BCD.png?v=1789486145\" alt=\"XCADEY XPOWER-S Gen2 power meter — SRAM 8-bolt 107 BCD\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/section\u003e\n\u003ch2 style=\"text-align:center;margin:32px 0 16px;\"\u003eXCADEY XPOWER-S Gen2 Power Meter — SRAM 8-Bolt 107 BCD — Specifications\u003c\/h2\u003e\n\u003csection class=\"features-flex\"\u003e\u003cdiv class=\"feature\"\u003e\n\u003ch3\u003eMeasurement \u0026amp; Accuracy\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Spider-based power meter (total dual-leg power)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±1.0% (claimed)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrain Gauges:\u003c\/strong\u003e 8 high-precision + acceleration sensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Range:\u003c\/strong\u003e 0–2500 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCadence Range:\u003c\/strong\u003e 30–220 rpm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetrics:\u003c\/strong\u003e Power · Cadence · L\/R Balance · Pedalling Smoothness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemp Compensation:\u003c\/strong\u003e intelligent algorithm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003ch3\u003ePower, Battery \u0026amp; Connectivity\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e Rechargeable lithium, 150 mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Life:\u003c\/strong\u003e up to 350 hours per charge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging:\u003c\/strong\u003e USB magnetic blind-plug · ~3 h full charge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtocols:\u003c\/strong\u003e ANT+ \/ Bluetooth 4.0 (BLE)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApps:\u003c\/strong\u003e iOS \u0026amp; Android\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater\/Dust:\u003c\/strong\u003e IP67\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temp:\u003c\/strong\u003e −10 °C to 50 °C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003ch3\u003eFit \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e SRAM 8-bolt direct-mount, 107 BCD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e AL7075, CNC-milled\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 90 g ±10 g (spider, without chainring)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrank compatibility:\u003c\/strong\u003e SRAM, ROTOR, EASTON, SHIMANO, ELILEE, CYBREI, SPECIALIZED, LEXON, XCADEY 8-bolt 107 BCD cranks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 24 months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"features-benefits-grid features--image-sm\"\u003e\u003cdiv class=\"features-content\"\u003e\n\u003ch2\u003e±1% Power Accuracy\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 high-precision strain gauges\u003c\/strong\u003e with acceleration sensing and intelligent temperature compensation.\u003c\/li\u003e\n\u003cli\u003eStable, reliable data to support structured training and race-day pacing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-image\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0954\/3424\/4411\/files\/XPOWER-S-Power-Meter-Spider-Power-Accuracy.webp?v=1789486181\"\u003e\u003cimg class=\"td-modal-image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0954\/3424\/4411\/files\/XPOWER-S-Power-Meter-Spider-Power-Accuracy.webp?v=1789486181\" alt=\"XCADEY power accuracy — 8 strain gauges\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/a\u003e\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"features-benefits-grid features--image-sm\"\u003e\u003cdiv class=\"features-content\"\u003e\n\u003ch2\u003e350-Hour Battery Life\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBuilt-in lithium battery with single-port blind-plug \u003cstrong\u003emagnetic charging\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eFully charges in about \u003cstrong\u003e3 hours\u003c\/strong\u003e for up to \u003cstrong\u003e350 hours\u003c\/strong\u003e of riding.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-image\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0954\/3424\/4411\/files\/battery-life.png?v=1789486210\"\u003e\u003cimg class=\"td-modal-image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0954\/3424\/4411\/files\/battery-life.png?v=1789486210\" alt=\"XCADEY 350-hour battery, magnetic charging\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/a\u003e\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"features-benefits-grid features--image-sm\"\u003e\u003cdiv class=\"features-content\"\u003e\n\u003ch2\u003eDual-Protocol Connection\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBroadcasts \u003cstrong\u003eANT+\u003c\/strong\u003e and \u003cstrong\u003eBluetooth (BLE)\u003c\/strong\u003e simultaneously.\u003c\/li\u003e\n\u003cli\u003eCompatible with mainstream bike computers, watches and iOS\/Android apps.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-image\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0954\/3424\/4411\/files\/Dual-protocol-connection_15163733-d9a2-4952-a707-3c9fc4fadf2d.webp?v=1789486099\"\u003e\u003cimg class=\"td-modal-image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0954\/3424\/4411\/files\/Dual-protocol-connection_15163733-d9a2-4952-a707-3c9fc4fadf2d.webp?v=1789486099\" alt=\"XCADEY ANT+ and Bluetooth dual-protocol connection\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/a\u003e\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"features-benefits-grid features--image-sm\"\u003e\u003cdiv class=\"features-content\"\u003e\n\u003ch2\u003eIP67 Weatherproof\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIP67-rated against dust and water for all-day, all-weather reliability.\u003c\/li\u003e\n\u003cli\u003eRiding data stays consistent from −10 °C to 50 °C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-image\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0954\/3424\/4411\/files\/IP67-Waterproof-Rating.png?v=1789486106\"\u003e\u003cimg class=\"td-modal-image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0954\/3424\/4411\/files\/IP67-Waterproof-Rating.png?v=1789486106\" alt=\"XCADEY IP67 waterproof rating\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/a\u003e\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"features-benefits-grid features--image-sm\"\u003e\u003cdiv class=\"features-content\"\u003e\n\u003ch2\u003eMulti-Interface Compatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDirect-mount \u003cstrong\u003eSRAM 8-bolt, 107 BCD\u003c\/strong\u003e interface.\u003c\/li\u003e\n\u003cli\u003eFits a wide range of mainstream 8-bolt cranks — send us your crank model if unsure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-image\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0954\/3424\/4411\/files\/Multi-Interface-scaled.png?v=1789486110\"\u003e\u003cimg class=\"td-modal-image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0954\/3424\/4411\/files\/Multi-Interface-scaled.png?v=1789486110\" alt=\"XCADEY multi-interface crank compatibility\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/a\u003e\u003c\/div\u003e\u003c\/section\u003e\u003c\/article\u003e\n\u003c\/div\u003e\n\u003csection aria-labelledby=\"faq-title\" class=\"udc-faq\"\u003e\n\u003ch2 class=\"udc-faq-title\" id=\"faq-title\"\u003eXCADEY XPOWER-S Gen2 Power Meter — SRAM 8-Bolt 107 BCD — FAQ\u003c\/h2\u003e\n\u003cdiv class=\"udc-faq-box\"\u003e\n\u003cdetails class=\"udc-faq-item\" open=\"\"\u003e\u003csummary class=\"udc-faq-q\"\u003eIs this single-sided or dual-sided power?\u003c\/summary\u003e\u003cdiv class=\"udc-faq-a\"\u003e\u003cp\u003eIt is a \u003cstrong\u003espider-based\u003c\/strong\u003e meter, so it measures \u003cstrong\u003etotal (dual-leg) power\u003c\/strong\u003e at the spider — more accurate than a single-side meter that doubles one leg. It also reports left\/right balance.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"udc-faq-item\"\u003e\u003csummary class=\"udc-faq-q\"\u003eWill it fit my crank?\u003c\/summary\u003e\u003cdiv class=\"udc-faq-a\"\u003e\u003cp\u003eIt fits \u003cstrong\u003eSRAM 8-bolt, 107 BCD\u003c\/strong\u003e direct-mount cranks — including SRAM, ROTOR, EASTON, SHIMANO, ELILEE, CYBREI, SPECIALIZED, LEXON and XCADEY. If you are unsure, send us your crank model and we will confirm.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"udc-faq-item\"\u003e\u003csummary class=\"udc-faq-q\"\u003eDoes it work with my head unit?\u003c\/summary\u003e\u003cdiv class=\"udc-faq-a\"\u003e\u003cp\u003eYes — it broadcasts \u003cstrong\u003eANT+\u003c\/strong\u003e and \u003cstrong\u003eBluetooth\u003c\/strong\u003e simultaneously, so it pairs with Garmin, Wahoo, Hammerhead and other computers plus iOS\/Android apps.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"udc-faq-item\"\u003e\u003csummary class=\"udc-faq-q\"\u003eHow is it charged and how long does it last?\u003c\/summary\u003e\u003cdiv class=\"udc-faq-a\"\u003e\u003cp\u003eA built-in rechargeable battery gives up to \u003cstrong\u003e350 hours\u003c\/strong\u003e per charge and tops up in roughly \u003cstrong\u003e3 hours\u003c\/strong\u003e via a magnetic USB charger — no coin cells to replace.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"udc-faq-item\"\u003e\u003csummary class=\"udc-faq-q\"\u003eHow fast does it ship?\u003c\/summary\u003e\u003cdiv class=\"udc-faq-a\"\u003e\u003cp\u003eOrders ship once processing is complete and a tracking number is generated. Some items are made-to-order — message us with your location for an ETA before ordering.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"udc-faq-item\"\u003e\u003csummary class=\"udc-faq-q\"\u003eDo prices include duties and taxes?\u003c\/summary\u003e\u003cdiv class=\"udc-faq-a\"\u003e\u003cp\u003eShipping and duty handling can vary by destination. Where DDP (Delivered Duties Paid) is offered for your destination, duties and import handling are included at checkout for eligible orders. If DDP is not available, duties and taxes may be collected by the carrier or local customs authority.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"udc-faq-item\"\u003e\u003csummary class=\"udc-faq-q\"\u003eWhat is the warranty?\u003c\/summary\u003e\u003cdiv class=\"udc-faq-a\"\u003e\u003cp\u003eA \u003cstrong\u003e24-month manufacturer warranty\u003c\/strong\u003e against manufacturing and electronics defects under normal use.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003chr\u003e\n\u003ch2\u003eMore Information\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:16px 0;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px 12px;border-bottom:1px solid #eee;text-align:left;white-space:nowrap;\"\u003eBRAND\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;border-bottom:1px solid #eee;\"\u003eXCADEY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px 12px;border-bottom:1px solid #eee;text-align:left;white-space:nowrap;\"\u003eMODEL\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;border-bottom:1px solid #eee;\"\u003eXPOWER-S GEN2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px 12px;border-bottom:1px solid #eee;text-align:left;white-space:nowrap;\"\u003eTYPE\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;border-bottom:1px solid #eee;\"\u003eSPIDER POWER METER\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px 12px;border-bottom:1px solid #eee;text-align:left;white-space:nowrap;\"\u003eINTERFACE\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;border-bottom:1px solid #eee;\"\u003eSRAM 8-BOLT · 107 BCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px 12px;border-bottom:1px solid #eee;text-align:left;white-space:nowrap;\"\u003eMATERIAL\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;border-bottom:1px solid #eee;\"\u003eAL7075\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px 12px;border-bottom:1px solid #eee;text-align:left;white-space:nowrap;\"\u003eCONNECTIVITY\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;border-bottom:1px solid #eee;\"\u003eANT+ \/ BLUETOOTH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px 12px;border-bottom:1px solid #eee;text-align:left;white-space:nowrap;\"\u003eBATTERY\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;border-bottom:1px solid #eee;\"\u003e150 mAh · UP TO 350 H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px 12px;border-bottom:1px solid #eee;text-align:left;white-space:nowrap;\"\u003eDISCIPLINE\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;border-bottom:1px solid #eee;\"\u003eROAD, TIME TRIAL, TRAINING\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"XCADEY","offers":[{"title":"Default Title","offer_id":51690140991803,"sku":null,"price":329.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/3424\/4411\/files\/no_change_1c4bdd8f-bf66-4413-95b0-7d337d641fa8.png?v=1789493259","url":"https:\/\/underdogscycling.cc\/products\/xcadey-xpower-s-gen2-sram-8-bolt-107bcd","provider":"Underdogs Cycling","version":"1.0","type":"link"}