Getdoublerich ISIS Crank for Bosch & for bafang E-Bike Central Motor, 170mm Aluminum Alloy Chainset with 10-Tooth Spline, BNI Compatible Ebike Crank Arm Pair

• PRECISE ISIS FIT: Matches 10-tooth spline with 18mm inner diameter for seamless Bosch motor integration without slipping
• OPTIMIZED BNI DESIGN: Tailored for Bafang systems with 15mm convex point to insure stable power transfer during rides
• LIGHTWEIGHT ALLOY BUILD: Anodized aluminum construction reduces rotational weight to 532g for agile ebike handling
• STANDARD 170MM LENGTH: Offers general crank arm size suitable for most rider heights to enhance pedaling comfort
• DIRECT MOTOR REPLACE: Simple swap solution restores drive efficiency when original central motor components wear out

Feature: *ISIS - crank is *BNI ISIS crank is only for Bosch for Bosch motor *Central motor crank for BNI ISIS motor crank for Bafang for Bosch for ebike Specification : Product Name: Crank with Central Motor Specification: ISIS- hole (10 teeth, the inner diameter of the convex point is about 18mm) BNI ISIS- hole (10 teeth, the inner diameter of the convex point is about 15mm) Material: aluminum alloy treatment: anodized Center distance: 170mm weight: ISIS crank = 532 grams BNI ISIS crank = 546 grams Package Included: 1 pair* Crank Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.