MAHLE TCS (torque and cadence sensor) bottom bracket helps riders conserve battery by measuring the power input from the rider and adjusting the support from the motor accordingly.Torque accuracy of approx. 95% (+ 5% of tolerance). Torque signal refreshing each 5ms. Cadence signal of 40 pulses per revolution.

MAHLE Smartbike X20 TCS BB86 Bottom Bracket with Torque & Cadence Sensor for E-Bikes

Reference Number: 3PA6MX

Upgrade your e-bike with the innovative MAHLE Smartbike Systems X20 TCS Bottom Bracket - BB86, Equipped with Advanced Torque and Cadence Sensors. Designed for high performance and seamless integration, this smart bottom bracket is perfect for serious cyclists seeking optimized power management and enhanced riding experience.

Materials & Construction

Built with precision-engineered, durable materials, the MAHLE X20 TCS Bottom Bracket ensures longevity and reliability. The robust BB86 casing provides a secure fit and excellent stability, while the integrated high-sensitivity torque and cadence sensors are protected from environmental factors-making it suitable for all terrains and weather conditions.

Performance & Engineering

Featuring state-of-the-art torque measurement with approximately 95% accuracy (+/- 5% tolerance), the X20 TCS significantly improves ride efficiency by accurately capturing rider input. The sensor refreshes signals every 5 milliseconds, allowing real-time data processing for smooth, responsive motor assistance. The cadence sensor detects 40 pulses per revolution, providing precise cadence feedback that enhances pedaling efficiency and overall bike dynamics.

Components & Technology

This bottom bracket integrates cutting-edge sensor technology directly into your bike's drivetrain, enabling intelligent power management. By accurately assessing torque and cadence, the system intelligently adjusts motor output, conserving battery life and delivering a natural riding feel. Compatible with standard BB86 frames, it offers easy installation and compatibility with various e-bike systems.

Style & Use Case

Designed for urban commuters, mountain bikers, and road cyclists alike, the MAHLE X20 TCS Bottom Bracket combines sleek engineering with smart functionality. Its minimalist design seamlessly blends into your bike frame, maintaining an aesthetic appeal while providing advanced assistance features. Perfect for riders seeking a smarter, more efficient e-bike experience, whether navigating city streets, tackling trails, or embarking on long-distance rides.

Innovative & Differentiating Features

- Accurate torque measurement (~95%) for reliable support control

- Fast signal refresh rate (every 5ms) ensures real-time assistance adjustment

- Precise cadence detection (40 pulses/revolution) optimizes pedaling efficiency

- Battery conservation through intelligent power input measurement

- Compatible with standard BB86 bottom brackets for easy installation

Enhance your e-bike performance with the MAHLE Smartbike Systems X20 TCS Bottom Bracket - the perfect fusion of technology, durability, and style for the modern cyclist seeking smarter riding solutions.

  • Enhance your e-bike performance with the MAHLE Smartbike Systems X20 TCS Bottom Bracket, engineered with high-precision torque and cadence sensors for accurate power measurement.
  • Constructed with durable, high-quality materials compatible with BB86 bottom bracket shells, ensuring longevity and seamless integration into various bicycle frames.
  • Featuring advanced torque accuracy of approximately 95% with rapid 5ms signal refresh rate, providing real-time data for precise motor support and improved riding efficiency.
  • Integrated torque and cadence sensors help optimize battery life by intelligently adjusting motor assistance based on rider input, extending your ride range and performance.
  • Stylish, low-profile design paired with innovative sensor technology makes this bottom bracket ideal for performance-oriented cyclists seeking reliable, tech-forward e-bike components.

Why 365 Cycles?

365 Cycles is an Authorized Mahle Dealer, and we offer the Full Mahle Warranty!

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Professional Customer Service- available 7 days a week
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365 Cycles delivers all your cycling needs fast! We don't waste time preparing your order. Our priority is to serve our customers first and foremost. If you need help picking the right product, have questions about bike component compatibility, or just want to geek out about bikes we are here 7 days a week! Simply put, we are bike experts from dirt to tarmac and want to make sure you get the full 365 Cycles experience when you shop with us.

At 365 Cycles our mission is to simplify the shopping experience. We want to get you the right product in a quick time frame and be here if you need help with questions, warranty, friend to talk to, etc.

We’re dedicated to building lasting relationships with our customers, communities, and team members. We combine the knowledge and service of a traditional bicycle shop with the convenience of shopping in your own home.





Shipping & Handling

Most orders placed during the workweek before 1:30 pm EST ship the same day, but in rare cases (peak season/holiday periods) handling time can take up to 48 hours. If you have questions regarding shipping estimates, please let us know prior to placing your order. There is a direct signature requirement for all orders over $500.

Please allow 1-2 business days for your order tracking to update.

  • Cut off for SAME DAY SHIPPING- 1:30 pm EST Monday - Friday
  • Friday afternoon -Sunday orders ship the following Monday
  • Due to carrier restrictions orders shipped to: PO Box, HI, AK, & PR 365 Cycles may use a comparable service to what was selected.

Combined Shipping Discounts

To offer customers savings on shipping, we offer discounts when shipping multiple items from our store. We cannot issue refunds on shipping once an order is finalized so please follow the 5 steps below and ask if you are having trouble with the discount before you make a purchase.

  1. Be sure you are using the US site: https://www.ebay.com
  2. Select Add to Cart (instead of Buy It Now) with items from our store 365Cycles
  3. Click on Proceed to Checkout. On the checkout page, the shipping service on each line item needs to match
  4. Compare First Class vs Priority as sometimes Priority can be cheaper and it gets to you faster!
  5. You’ll need to change the shipping method to Priority on every item in your cart before the rate can be calculated.

Returns

365 Cycles offers returns for 30 days on new items in their original, intact packaging. Return shipping for ALL orders are to be paid by the buyer. Please be sure to read our return policy entirely and if you have any questions, please contact Customer Service.

Full refunds are issued on items that are brand new and we are able to resell as new. 365 Cycles reserves the right to deny returns that are outside of policy including, but not limited to, used items, items missing original packaging, items with damaged manufacturer packaging, or international orders. Return orders must be shipped in a box or bubble mailer. Items shipped without an outer box will incur a restocking fee. You will be contacted through eBay if your return is ineligible for a full refund.

Returns must be initiated within 30 days from purchase date through your Purchase History under My eBay.

If we make an error in shipping, please contact us -- we will ship out the correct item and provide a free prepaid return label as quickly as possible!

Exchanges

If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately and, in the meantime, please initiate a return through eBay on the original item and return it. We will refund for the returned item once it is received back.



EBMP0324 .

Company Details

365 Cycles
1180 Enterprise Rd
East Petersburg, PA 17520
United States

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