This site has limited support for your browser. We recommend switching to Edge, Chrome, Safari, or Firefox.

Cart 0

No more products available for purchase

Products
Pair with
Add order notes
Subtotal Free
View cart
Shipping, taxes, and discount codes are calculated at checkout
4iiii PRECISION 3+ Ride Ready Ultegra FC-R8100 Power Meter Left Arm Parts - Power Meters - Crank Arm
4iiii PRECISION 3+ Ride Ready Ultegra FC-R8100 Power Meter Left Arm 165mm Parts - Power Meters - Crank Arm
Sale

PRECISION 3+ Ride Ready Ultegra FC-R8100 Factory Second Power Meter Left Arm

$323.00 Regular price $461.00
Choose165mm
⚠️ We're currently not shipping to the United States.
Sign up to be notified when US shipping resumes.

From per month with Shop Pay i or with Affirm i

Free shipping within Canada on most orders over $150

Returns accepted until January 15, 2026

Price matching on identical items from authorized Canadian retailers

Please note, items may not be exactly as pictured

The 4iiii PRECISION 3+ Ride Ready Ultegra FC-R8100 Factory Second Power Meter (Left Arm) delivers pro-level accuracy in a lighter, more compact design, now with Apple Find My support. Trusted by elite racers and dedicated riders alike, it provides reliable, precise data whether you’re training indoors, chasing a Kona qualification, or pushing for a new local KOM.

Featuring ±1% accuracy, automatic terrain selection, and up to 800 hours of battery life, PRECISION 3+ removes guesswork from every ride. Each unit is backed by 4iiii’s industry-leading 3-year warranty for long-term confidence.

This Ride Ready Factory Second crankset pairs a lightly used Shimano Ultegra FC-R8100 left crank arm with a brand-new 4iiii PRECISION 3+ powermeter. Every crank undergoes a strict inspection and professional cleaning before installation by 4iiii technicians to ensure it meets exacting performance and quality standards. Despite minor cosmetic signs of use, performance and reliability remain uncompromised and the full 3-year warranty still applies.


[{"variant_id":"42779990032447" , "metafield_value":""},{"variant_id":"42779990097983" , "metafield_value":""},{"variant_id":"42779991048255" , "metafield_value":""},{"variant_id":"42779991081023" , "metafield_value":""}]

GET 10% OFF

SUBSCRIBE TO OUR NEWSLETTER AND SAVE