Product Features

Explanation

⚙️ Shimano Deore XT 12 Speed ​​Rear Derailleur – RD-M8100-GS (Center Cage)

Maximum gear precision in aggressive terrain! This 12-speed rear derailleur from Shimano's legendary Deore XT series takes MTB riding to the top with its lightweight design, silent operation and superior chain management.


🔧 Technical Specifications

Feature Explanation
Model Code RD-M8100-GS
Number of Gears 12 (for 1x12 systems)
Cage Length Medium (GS – short/medium combination)
Max. Cassette Compatibility 10-45T (12-track cassettes)
Reels 13 Gears (13T), larger and more efficient
Chain Tension Management Shadow RD+ technology
Compatible Systems Shimano Deore XT M8100 series
Cage Material Aluminum
Weight Approximately 284 grams (manufacturer's data)

Featured Features

  • Shadow RD+ Technology: Minimizes chain jumps, provides quiet and balanced driving

  • Quiet Shifting: Rubber pads on the rear derailleur cage and optimised chain tensioner

  • 13T Pulleys: Larger gears for lower friction and longer life

  • More Ground Clearance: +28 mm difference compared to SGS model to protect from obstacles

  • Ideal for Aggressive Trail and XC Use: Superior performance on narrow trails thanks to its lightweight and compact structure

  • Fast and Precise Shifting: Compatible with Shimano's Hyperglide+ technology


🚴 Who is it suitable for?

  • Athletes with 1x12 system mountain bikes

  • Those looking for performance in technical MTB disciplines such as trail, enduro, XC

  • Users who want a quiet, reliable and low-maintenance transmission system


📦 Compatible Products (Sold Separately):

  • Shimano 12-speed cassette (10-45T)

  • Shimano M8100 shift lever

  • HG 12 speed chain

  • Shimano Micro Spline compatible hub


🚵‍♂️ Feel the difference in every gear shift with the Shimano Deore XT M8100 Rear Derailleur! Conquer the trails silently, without compromising on performance.

100% Originality Guarantee

All our products are 100% original and are offered with quality and assurance. As Uğur Bicycle, we only deliver products that we procure from reliable and authorized suppliers and that we distribute ourselves. Shop with peace of mind, pedal to quality!

Free Shipping and Free Returns

Frequently Asked Questions

📌 When will my order be shipped?

Your orders will be delivered to cargo within 1-2 business days . This period may vary depending on the density during campaign periods.

📌 Which Cargo Company Do You Work With?

Shipments are made within Türkiye with Domestic Cargo. International shipments are sent with any of the companies DHL - FEDEX - TNT.

📌 How can I track my order?

When your order is shipped, the tracking number is shared via e-mail and SMS. You can track your order on the cargo company's website with this number.

📌 How can I return and exchange a product?

You can return the products within 14 days , unused and in their original packaging. You can review our return policy for detailed return procedures.

📌 When will I be refunded for the product I returned?

Once your return is approved, your payment will be refunded within 3-7 business days , depending on the payment method you used.

📌 Do your products have a warranty?

Yes! All products on sale are under manufacturer or distributor warranty . You can check the product descriptions for warranty period and conditions.

Didn't find your answer?

Do not hesitate to contact us.