SHIMANO RD-R8150 ULTEGRA DI2 12-SPD REAR DERAILLEUR 12速電子波腳

描述

憑藉我們最快、最準確的變速性能，新款 12 速 ULTEGRA R8150 後變速器比以往具備更多功能，單一支架長度選項可相容於 28-34T 低位後飛輪齒片。 BENEFIT 前所未見的後變速性能，比 RD-R9150 快 58% 簡潔的外觀設計包含整合式無線裝置、充電器和開關 LED 狀態指示燈 更大的齒比範圍 FEATURE 電池指示燈 配對 調整模式 最大飛輪齒片相容性：34T   PRODUCT SPECIFICATION Series ULTEGRA Model no. RD-R8150 Color 1 Series color 2 – Rear speeds 12 RD construction SHIMANO SHADOW RD ✔ SHIMANO SHADOW RD+ – Double servo – SHADOW ES – Applicable derailleur hanger SHIMANO MTB type Direct attachment (conventional) – Direct mount – SHIMANO ROAD type Direct attachment (conventional) ✔ Direct mount ✔ UDH standard ✔ Max. front difference 16T Total capacity 39T Low sprocket Max. 34T Min. 30T Top sprocket Max. 11T Min. 11T Fluoric coated link bushings 4 Pulley Guide pulley bearing ✔ Tension pulley bearing ✔ Teeth 11T Screws material Stainless steel Sunken type pulley screw ✔ Bracket Material Aluminum Finish Painted B-axle Hollow axle ✔ Material Stainless steel Finish Painted B-axle 2 Hollow axle ✔ Material Aluminum Finish Anodized Bracket body Material Aluminum Finish Painted P-axle Material Steel Finish Passivation Plate body Material GFRP Finish Painted Outer link Material Aluminum Finish Painted Inner link Material GFRP Finish – Outer plate Material Aluminum Finish Painted Inner plate Material Aluminum Finish Painted Stroke adjusting screw Material Steel Finish Plated Di2 connectivity wired Di2 shifting ✔ Di2 connectivity wireless Di2 shifting ✔ Bluetooth® LE Cycling power – ANT+ Bicycle power – Bluetooth® LE custom (*1) Adjust mode information ✔ Di2 battery level ✔ Gear position ✔ SHIMANO E-BIKE SYSTEMS data items (*3) ✔ Compatible with E-TUBE RIDE ✔ Compatible with E-TUBE PROJECT ✔ ANT private (*2) Adjust mode information ✔ Di2 battery level ✔ Gear position ✔ SHIMANO E-BIKE SYSTEMS data items (*3) ✔ Firmware update by E-TUBE PROJECT ✔ SD50 port (pcs) 0 SD300 port (pcs) 1 SD50 connector (pcs) 0 SD300 connector (pcs) 0 LED for system status ✔ Power supply Built-in battery – Wired ✔ Charging port ✔ Charging cable EW-EC300 Average weight (g) 262 Note *1 Compatible with a Bluetooth LE cycle computer and smartphone/tablet but not freely open profile. *2 Compatible with ANT+ cycle computer but not freely open profile. *3 Will be shown only when connected to SHIMANO E-BIKE SYSTEMS bike. w/o Bracket spec. available