Magene PES P515 Spider Based Power Meter Set Crankarm Cycling 110 BCD Base 4 Bolt 24mm Steel Spindle ANT Bluetooth 165MM

Built from premium materials and engineered for consistent performance in all conditions, it delivers accurate data, smooth power transfer, and broad compatibility for modern road bikes.The crank features a triple-hollow channel design, CNC machining, and deep-hole drilling to reduce weight while maximising structural strength. After 100,000 cycles of harsh pedalling tests, the system maintains its stiffness and reliability. The spider itself is crafted from 7075 aircraft‑grade aluminium, weighing only 99g, balancing low weight with exceptional rigidity.The P515 provides four essential cycling metrics, power, cadence, left/right balance, and pedalling smoothness, allowing riders to analyse their technique and training efficiency in detail. With an impressive 330-hour battery life, it supports long-distance training and multi-day rides without frequent charging.±1% Power Accuracy, Capture Your Every Effort AccuratelyThe P515 spider-based power meter employs high-precision strain gauges and acceleration sensors. Combined with built-in intelligent temperature compensation algorithms, it can provide precise and reliable power data anytime and anywhere, even when the environment changes constantly. Extensively tested in harsh environments with highly demanded standards, and with each strain gauge undergoing stress release, the product guarantees a ±1% power accuracy, never letting your effort in vain.4 Essential Cycling Data: Evaluate Your Cycling Ability ComprehensivelyPower: Sensitive and reliable power measurement, reaching ±1% accuracy. Cadence: Accurate and stable cadence data measurement always keeps your rhythm in control.Left and right balance: Know the difference between your left leg and right leg output, so as to enhance training of the weaker leg.Pedalling smoothness: Analyse the power data balance of your pedalling cycles.SpecificationsWeight:625g (170mm)Spinde: 24mmBolts: 4 boltChainline: 44.25mmQ-Factor: 147mmPower range: 0 - 2500WCadence range: 20 - 240RPMCalibration: Automatic, Backpedal and manualWireless: ANT+ and BluetoothWaterproof grade: IPX7Working temperature: -20 to 50 degreesCharging: MagneticWhat's in the box?P515 Spider-based power meterpair of PES crank armsLock ring of conversion kitMagnetic charging cableX6 StickersQuick start guideFeatures & Benefits±1% power accuracy using high‑precision strain gauges and acceleration sensorsIntelligent temperature compensation for consistent readings in changing environmentsTriple-hollow crank design for reduced weight and increased stiffness330-hour battery life for long‑term training and endurance rides110 BCD 4-bolt compatibility with Magene and third‑party chainrings24mm steel spindle compatible with Shimano and major bottom-bracket standardsBluetooth and ANT+ connectivity for multi‑device data recordingDurability tested with over 100,000 pedalling cycles

Power Accuracy ±1%: The PES P515 power meter uses high-precision strain gauges and acceleration sensors. It has been tested in harsh environments and high standards to ensure power accuracy of ±1%. Combined with the built-in intelligent temperature compensation algorithm, it provides accurate and reliable power data anytime, anywhere Lightweight Design 625g: The P515 power meter is upgraded to 7075 aviation aluminum, which balances the weight while achieving great stiffness, making the power meter weigh 99g. The PES crank adopts a triple hollow channel design. The extensive hollow spaces reduce weight greatly. The overall weight is about 625g Battery Life 380H: The P515 power meter applies a new circuit design, which can support you for up to 380 hours of long-distance riding and training. *Battery life may be affected by the environment or temperature Steel Spindle 24mm: The PES crank features a 24mm steel spindle, which is also a popular spindle on the market. *Compatible with 68mm-86.5mm standard road bike bottom brackets.*Compatible with large diameter bottom brackets, including T47 and BB386. Please ensure your bicycle is compatible before purchasing Comprehensive Data: PES P515 provides four key data: power, cadence, left and right foot balance, and pedaling smoothness, which can fully evaluate cycling performance. With these data, you can adjust the training rhythm in time and achieve more scientific and efficient targeted training High adaptability: PES P515 includes the P515 Power meter and PES crank. P515 power meter adopts the widely popular 110BCD four-bolt specification, which has more comprehensive compatibility. With Magene's original chainring, the speed change efficiency is higher, and the pedaling is smoother Bluetooth, ANT+ Protocol: Compatible with various ANT+ and Bluetooth devices, can be connected to major brand bike computers and training APPs such as STRAVA, Onelap, OnelapFit, Zwift, TrainingPeaks, TrainerRoad, etc