{"product_id":"magene-pes-p515-power-meter-chainset","title":"Magene PES P515 Power Meter Chainset","description":"\u003cp\u003e\u003cstrong\u003eThe Magene PES P515 Power Meter Set is a high precision, \nspider based power meter and crankset system designed for riders who \nwant pro level accuracy, exceptional stiffness, and long distance \nreliability.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt from premium materials and engineered for consistent \nperformance in all conditions, it delivers accurate data, smooth power \ntransfer, and broad compatibility for modern road bikes.\u003c\/p\u003e\u003cp\u003eThe \ncrankset features a triple-hollow channel design, CNC machining, and \ndeep-hole drilling to reduce weight while maximising structural \nstrength. After 100,000 cycles of harsh pedalling tests, the system \nmaintains its stiffness and reliability. The spider itself is crafted \nfrom 7075 aircraft‑grade aluminium, weighing only 99g, balancing low \nweight with exceptional rigidity.\u003cbr\u003e\u003cbr\u003eThe P515 provides four \nessential cycling metrics, power, cadence, left\/right balance, and \npedalling smoothness, allowing riders to analyse their technique and \ntraining efficiency in detail. With an impressive 330-hour battery life,\n it supports long-distance training and multi-day rides without frequent\n charging.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e ±1% Power Accuracy, Capture Your Every Effort Accurately\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe\n P515 spider-based power meter employs high-precision strain gauges and \nacceleration sensors. Combined with built-in intelligent temperature \ncompensation algorithms, it can provide precise and reliable power data \nanytime and anywhere, even when the environment changes constantly. \nExtensively tested in harsh environments with highly demanded standards,\n and with each strain gauge undergoing stress release, the product \nguarantees a  ±1% power accuracy, never letting your effort in vain.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e4 Essential Cycling Data: Evaluate Your Cycling Ability Comprehensively\u003c\/strong\u003e\u003c\/p\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e Sensitive and reliable power measurement, reaching  ±1% accuracy. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCadence:\u003c\/strong\u003e Accurate and stable cadence data measurement always keeps your rhythm in control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeft and right balance:\u003c\/strong\u003e Know the difference between your left leg and right leg output, so as to enhance training of the weaker leg.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePedalling smoothness:\u003c\/strong\u003e Analyse the power data balance of your pedalling cycles.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWeight: 625g (170mm)\u003c\/li\u003e\n\u003cli\u003eSpinde: 24mm\u003c\/li\u003e\n\u003cli\u003eBolts: 4 bolt\u003c\/li\u003e\n\u003cli\u003eChainline: 44.25mm\u003c\/li\u003e\n\u003cli\u003eQ-Factor: 147mm\u003c\/li\u003e\n\u003cli\u003ePower range: 0 - 2500W\u003c\/li\u003e\n\u003cli\u003eCadence range: 20 - 240RPM\u003c\/li\u003e\n\u003cli\u003eCalibration: Automatic, Backpedal and manaul\u003c\/li\u003e\n\u003cli\u003eWireless: ANT+ and Bluetooth\u003c\/li\u003e\n\u003cli\u003eWaterproof grade: IPX7\u003c\/li\u003e\n\u003cli\u003eWorking temperature: -20 to 50 degrees\u003c\/li\u003e\n\u003cli\u003eCharging: Magnetic\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhat's in the box?\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eP515 Spider-based power meter\u003c\/li\u003e\n\u003cli\u003epair of PES crank arms\u003c\/li\u003e\n\u003cli\u003eLock ring of conversion kit\u003c\/li\u003e\n\u003cli\u003eMagnetic charging cable\u003c\/li\u003e\n\u003cli\u003eX6 Stickers\u003c\/li\u003e\n\u003cli\u003eQuick start guide\u003c\/li\u003e\n\u003c\/ul\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e ±1% power accuracy\u003c\/strong\u003e using high‑precision strain gauges and acceleration sensors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\u003c\/strong\u003e\u003cstrong\u003entelligent temperature compensation\u003c\/strong\u003e for consistent readings in changing environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT\u003c\/strong\u003e\u003cstrong\u003eriple-hollow crank design\u003c\/strong\u003e for reduced weight and increased stiffness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7075 aircraft-grade aluminium spider\u003c\/strong\u003e, weighing only 99g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e330-hour battery life\u003c\/strong\u003e for long‑term training and endurance rides\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e110 BCD 4-bolt compatibility\u003c\/strong\u003e with Magene and third‑party chainrings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24mm steel spindle compatible\u003c\/strong\u003e with Shimano and major bottom-bracket standards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth and ANT\u003c\/strong\u003e\u003cstrong\u003e+\u003c\/strong\u003e connectivity for multi‑device data recording\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDurability tested with over 100,000 pedalling cycles\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Magene","offers":[{"title":"165mm 50-34T","offer_id":44167985168564,"sku":"MA51165A","price":349.0,"currency_code":"GBP","in_stock":true},{"title":"165mm 52-36T","offer_id":44167985201332,"sku":"MA51165B","price":349.0,"currency_code":"GBP","in_stock":true},{"title":"165mm 53-39T","offer_id":44167985234100,"sku":"MA51165C","price":349.0,"currency_code":"GBP","in_stock":true},{"title":"167.5mm 50-34T","offer_id":44167985266868,"sku":"MA51167A","price":349.0,"currency_code":"GBP","in_stock":true},{"title":"167.5mm 52-36T","offer_id":44167985299636,"sku":"MA51167B","price":349.0,"currency_code":"GBP","in_stock":true},{"title":"167.5mm 53-39T","offer_id":44167985332404,"sku":"MA51167C","price":349.0,"currency_code":"GBP","in_stock":true},{"title":"170mm 50-34T","offer_id":44167985365172,"sku":"MA51170A","price":349.0,"currency_code":"GBP","in_stock":true},{"title":"170mm 52-36T","offer_id":44167985397940,"sku":"MA51170B","price":349.0,"currency_code":"GBP","in_stock":true},{"title":"170mm 53-39T","offer_id":44167985430708,"sku":"MA51170C","price":349.0,"currency_code":"GBP","in_stock":true},{"title":"172.5mm 50-34T","offer_id":44167985463476,"sku":"MA51172A","price":349.0,"currency_code":"GBP","in_stock":true},{"title":"172.5mm 52-36T","offer_id":44167985496244,"sku":"MA51172B","price":349.0,"currency_code":"GBP","in_stock":true},{"title":"172.5mm 53-39T","offer_id":44167985529012,"sku":"MA51172C","price":349.0,"currency_code":"GBP","in_stock":true},{"title":"175mm 50-34T","offer_id":44167985561780,"sku":"MA51175A","price":349.0,"currency_code":"GBP","in_stock":true},{"title":"175mm 52-36T","offer_id":44167985594548,"sku":"MA51175B","price":349.0,"currency_code":"GBP","in_stock":true},{"title":"175mm 53-39T","offer_id":44167985627316,"sku":"MA51175C","price":349.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0669\/2539\/6148\/files\/ma51165a.jpg?v=1774369036","url":"https:\/\/www.99bikes.co.uk\/products\/magene-pes-p515-power-meter-chainset","provider":"99 Bikes UK","version":"1.0","type":"link"}