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Which eMTB motor is the ultimate hill-climbing machine? In this electric mountain bike motor showdown, we push three of the most talked-about EMTB systems of 2025 to their limit on brutally steep climbs, slickrock slabs, and a paved monster known locally as Cardiac Arrest Hill.
We tested the:
🔥 Amflow PL Carbon Pro (Avinox Motor – 105Nm, tuned to 1000W)
🔥 Specialized Turbo Levo (Brose 3.1 – 111Nm, 720W)
🔥 Trek Rail w/ Bosch Performance Line CX (BDU38 – 100Nm, 750W)
Across 27 total hill climbs, three riders of different skill levels compared:
✔️ Real-world climbing speed
✔️ Torque delivery
✔️ Motor smoothness and power feel
✔️ Traction and control on steep grades
✔️ How each bike performs for beginner, intermediate & advanced riders
This video answers MAJOR questions riders ask every day:
• Which eMTB motor climbs the fastest?
• Does wattage matter more than torque?
• Is the 1000W Avinox system really a game-changer?
• Do the Levo and Trek Rail feel more “planted” on steep climbs?
• How much does rider skill vs motor power affect hill times?
• Should YOU choose Bosch, Specialized, or Avinox for your next EMTB?
🏆 What You’ll See in This Video:
👉 Assaulting the infamous “Ass Kick Hill”
👉 Racing up a massive slickrock slab
👉 Surviving the extremely steep “Mount Everest / Cardiac Hill”
👉 Full timing breakdowns from all 3 riders
👉 Surprising results from paved vs technical climbs
👉 Which motor FEELS best vs which one IS fastest
📊 Full Data Included
We log every hill time, compare rider differences, and break down why each motor performed the way it did. This is the most complete real-world EMTB motor climbing test on YouTube right now.
Bosch Performance Line CX • Specialized 3.1 Motor • Avinox Motor • Amflow PL Carbon Pro • Trek Rail Plus 8 • Turbo Levo Gen 4 S-works • eMTB hill climb • EMTB motor comparison 2025
If you want to know which eMTB motor gives you the best climbing power, natural feel, or all-around trail performance, this video will help you decide.
💬 Have questions about these motors or want us to test another system next? Drop a comment — we reply to everyone.
👍 Like the video to support more deep-dive eMTB testing
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00:00 – Intro
00:45 – Overview
03:53 – Ass Kick Hill
12:22 – The Slab
18:29 – Mount Everest
25:36 – Results and Data Analysis
46:58 – Outro Read More ElectricBikeReview.com
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