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Shimano Deore XT RD-M8100-SGS 1x12-Speed Rear Derailleur

IRDM8100SGS
₹9,730

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Trail-Optimized Precision for Smooth 12-Speed Shifting

Overview

The Shimano Deore XT RD-M8100-SGS rear derailleur is engineered for smooth and precise shifting, setting a new benchmark in drivetrain performance. Its advanced design reduces tension in the low gear position, ensuring quiet and consistent operation on every ride.

Optimized Chain Management: Equipped with larger 13T pulleys, this derailleur maximizes drivetrain efficiency and enhances chain retention. Whether navigating steep climbs or technical descents, you’ll experience smooth gear transitions and a quieter ride.

Durable and Trail-Ready: Built with an added bumper on the pulley cage, the RD-M8100-SGS is designed to withstand the rigors of aggressive trail riding. Its robust construction offers reliability and durability even in the harshest terrains.

Wide Gear Range Compatibility: Designed for Shimano's 12-speed cassettes, this derailleur offers an expanded gear range, making it ideal for conquering challenging climbs and accelerating on flat terrain with ease.

The Deore XT RD-M8100-SGS rear derailleur combines cutting-edge technology, rugged durability, and seamless performance, making it an essential upgrade for riders looking to tackle any trail with confidence.

Features

  • High-Performance Shifting: Delivers fast, precise, and shockless shifting optimized for challenging trails.
  • Wide Gear Range: Compatible with 12-speed cassettes featuring a low sprocket combination of 10-51T for versatility on all terrain.
  • Silent and Stable Drivetrain: Reduces derailleur and chain tension in low gear, maintaining quiet performance across all gears.
  • Enhanced Impact Protection: New bumper on the pulley cage absorbs shocks and reduces noise for a smoother ride.
  • Optimized Pulley Design: Bigger 13T pulley ensures smooth chain movement and drivetrain stability.
  • Durable Low-Profile Design: Protects against trail debris and damage while maintaining reliable performance on rough terrain.

Technology

  • Shimano Shadow RD+: Provides a quieter drivetrain by reducing chain slap, prevents chain drops, and is lighter and more efficient than roller-type chain devices.
  • Bump Stopper: Silences derailleur noise in rough conditions with a high-durometer urethane bumper that absorbs impacts and prevents chain slap.

Specifications

  • Model No: RD-M8100-SGS
  • Series: Deore XT
  • Color: Series Color
  • Rear Speeds: 12
  • Compatible Chain: HG 12-speed
  • RD Construction|Shimano Shadow RD+: Yes
  • Mount|Direct Attachment (Conventional): Yes
  • Max. Front Difference: 0T
  • Total Capacity: 41T
  • Low Sprocket|Max: 51T and Min: 51T
  • Top Sprocket|Max: 10T and Min: 10T
  • Fluoric Coated Link Bushings: 7
  • Pulley|Guide Pulley Bearing: Sealed Bearing
  • Pulley|Tension Pulley Bearing: Sealed Bearing
  • Pulley|Teeth: 13T
  • Sunken Type Pulley Screw: Yes
  • B-Axle|Hollow Axle: Yes
  • Average Weight: 284 g
  • Remarks: w/Bumper on Pulley Cage

Shipping, Returns & Refunds

We ship across India. Shipping is free on orders above ₹2,000, and ₹99 is charged on orders below ₹2,000. Cash on Delivery is available for orders up to ₹20,000, with additional COD charges based on order value. Most orders are delivered within 3–6 working days, though delays may occasionally occur. Please note that most Shimano products may take longer to ship. View full shipping policy.

Returns can be initiated within 7 days of delivery. Items must be unused, in original condition, and returned with all tags and packaging intact. Returns are available only on select categories such as apparel, helmets, jerseys, gloves, and similar items. Wetsuits and products discounted above 5% are not eligible for return.

Returns are not accepted for compatibility-related issues unless the product description on our website was incorrect. Return shipping must be arranged by the customer, as pickup is not available.

For eligible returns, you can choose an exchange, store credit, or a monetary refund. Refunds are processed after deduction of applicable shipping and transaction charges. Order cancellations are only possible before the order is processed. View full Return & Refund Policy.