SKU: 7681256877
e bike pedal assist sensor

e bike pedal assist sensor KD-2PS-L 12-Magnet Dual Hall Pedal Assist Sensor – Left Side – Grava Adventure Corporation

Sale price$18.82 Regular price$20.91
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Ships within 48 hours · Estimated delivery Sep 16 - Sep 21

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Description

e bike pedal assist sensor KD-2PS-L 12-Magnet Dual Hall Pedal Assist Sensor – Left Side – Grava Adventure CorporationThe KD 2PS L is a pedal assist sensor used on electric bicycles to detect pedaling motion and signal the controller to apply motor assistance. It uses a 12 magnet ring and a dual Hall sensor to provide faster, more accurate response than lower magnet designs. This sensor is typically installed on the left side of the bike and is used as a replacement or upgrade for older split ring PAS systems. Key Features One piece pedal assist sensor design 12

The KD-2PS-L is a pedal assist sensor used on electric bicycles to detect pedaling motion and signal the controller to apply motor assistance. It uses a 12-magnet ring and a dual Hall sensor to provide faster, more accurate response than lower-magnet designs.

This sensor is typically installed on the left side of the bike and is used as a replacement or upgrade for older split-ring PAS systems.

Key Features
• One-piece pedal assist sensor design
• 12 internal magnets for higher signal resolution
• Dual Hall sensor for faster, more consistent response
• Improved accuracy compared to low-magnet PAS sensors
• Durable PC plastic housing for long service life
• Compact and lightweight design

Compatibility & Use Notes
• PAS type: Cadence sensor
• Magnet count: 12
• Connector: 3-pin
• Signal type: High / low pulse rate 5:5
• Nominal voltage: DC 4.5–6V
• Designed for left-side crank installation
• Intended for controllers that support cadence-based PAS input
• Not compatible with torque-sensor systems
• Not universal—controller PAS requirements must match

Service / Ownership Context
Pedal assist sensors must be aligned correctly to function reliably. During installation, ensure proper spacing and secure mounting to prevent signal dropouts. After installation, verify that assist engages smoothly and disengages immediately when pedaling stops.

Fit & Use Signals
• Good fit for e-bikes using cadence-based PAS systems
• Good fit for replacing older split-ring PAS sensors
• Good fit if you want quicker assist engagement
• Not a fit for torque-sensor e-bike systems
• Not a fit if your controller does not support 3-pin PAS input

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 7681256877

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Ashley
Grantham, US
★★★★★ 5
Perfect Size
Colors are spot on. This is my second one to own, I love the size because it’s not too big, not too small. I can carry one of these bags everyday for about a year before any wear starts to show. The strap is beautiful and I have gotten compliments on it a lot.
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Reviewed in the United States on February 27, 2025
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SBWhillock
Whiting, US
★★★★★ 5
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I LOVE this bag. the bag is super cute. I have a toddler and the bag is constantly getting thrown around and so far it has held up well. The material is thick and the strap is great. The only thing that would make it better would be an interchangeable strap to accessorize.
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Reviewed in the United States on February 13, 2024
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SJL
Louisville, US
★★★★★ 5
Surprising amount of room!
I am so pleased with the interior space in the pockets of this purse. It's the perfect size to hold keys, phone, and lots of other junk a mom tends to accumulate! The only downfall is the lack of card-holder spaces...only 4 total slots. I purchased another small card holder apparatus to hold all of my necessities.
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Reviewed in the United States on May 7, 2024
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Saredel Dizon
Cuba, US
★★★★★ 5
Perfect Mini Backpack for almost any occasion! Fits 11 inch ipad
Color: Black, Color: Black
Giving 5 🌟🌟 🌟🌟🌟, even if I havent used it yet! because it: -arrived in perfect good packaging, protected and nothing missing. -11 inch ipad fit with its own pocket(although it did reach the very top of the bag and can feel its corners) - can fit 2 regular plastic bottled water on both sides - coin pocket(tho I'll be putting coffee candies and mint instead) - spacious enough for mini snacks or notebook/light books. - has 2 pockets inside - 3 pockets outside(1 at back, 2 at front) Good value for money. Good for travels!(be using for camping). And I think its water resistant. It is a simple, cute, very functional bag for many occasions Wish: that the strap would be a bit longer, although I did have extra 2.5 inches before it rested comfortably at my lower back.
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Reviewed in the United States on March 11, 2026
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Pandagirl
Lexington, US
★★★★★ 5
Great Medium-Sized Backpack !
Color: Khaki
This is the best medium sized backpack ! Bought it mainly for that it fit my Kindle since a smaller backpack didn't and the multiple compartments (more than I need but easy access). Lightweight, water resistant, great value and the quality so far is great. I especially like the locking feature should I need it. It's much lighter than my travel purse (PacSafe that I would still use for travel, especially international.) The "security" feature is an added compartment for more local travel.
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Reviewed in the United States on April 4, 2026

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