The Shimano CUES RD-U6020 brings smooth, quiet 11-speed shifting to trekking, commuter and trail-ready flat-bar bikes, with a low-profile Shadow body that tucks the mech out of harm's way over rough ground.

Highlights

  • 11-speed rear derailleur from Shimano's CUES U6000 group
  • SGS long cage handles cassettes up to a 45-tooth largest sprocket
  • 48-tooth total capacity for wide-range 1x and 2x setups
  • Low-profile SHIMANO SHADOW RD design resists trail and crash damage
  • E-BIKE RATED for the extra loads of pedal-assist drivetrains
  • Runs LINKGLIDE-tuned 11-speed shifting with proven HG chain compatibility

Shadow design for confident riding

The Shadow RD construction keeps the derailleur body close to the frame, reducing the chance of strikes from trailside obstacles. Optimised pivot location, pulley design and spring tension help keep the chain settled, so shifts stay smooth and the drivetrain stays quiet over choppy surfaces.

Built for everyday and e-bike use

This derailleur carries an E-BIKE RATED design for reliable, long-lasting performance under the higher torque of pedal-assist systems, while remaining equally at home on a standard trekking or urban build. Construction combines steel, stainless steel, aluminium and glass-fibre reinforced polyamide for durability.

Compatibility & fit

Designed for Shimano CUES 11-speed (LINKGLIDE) drivetrains. It pairs with the largest 45-tooth sprocket, an 11-tooth smallest sprocket, a 48-tooth total capacity and a maximum front chainring difference of 14 teeth. Compatible with HG 11-speed and LINKGLIDE (CN-LG500) chains, and with Shimano 11-speed CUES/MTB shifters including SL-U6000-11R, SL-U8000-11R and SL-M8130-R11. Uses a standard derailleur hanger mount. Confirm your cassette, chain and shifter are 11-speed CUES-compatible before fitting.

Covered by Shimano's manufacturer warranty against defects in materials and workmanship. For any warranty claim or support, return the item to Tune Cycles and our team will manage the process for you.
  • 11-speed rear derailleur, Shimano CUES U6000 group
  • SGS long cage with 48-tooth total capacity
  • Compatible with a maximum 45-tooth and minimum 11-tooth sprocket
  • Maximum front chainring difference of 14 teeth
  • Low-profile SHIMANO SHADOW RD design
  • E-BIKE RATED for pedal-assist drivetrains
  • 11-tooth guide pulley and 13-tooth tension pulley
  • Runs HG 11-speed and LINKGLIDE (CN-LG500) chains
SeriesShimano CUES U6000
ModelRD-U6020-11-SGS
Speeds11-speed
Cage lengthSGS (long)
Max sprocket45T
Min sprocket11T
Total capacity48T
Max front difference14T
Guide pulley11T
Tension pulley13T
DesignSHIMANO SHADOW RD
E-bike ratedYes
Chain compatibilityHG 11-speed / LINKGLIDE CN-LG500
MountStandard derailleur hanger
ColourBlack
SKU SHM-ERDU602011SGS
Barcode # 4550170171940
Brand Shimano

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