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Ships within 48 hours · Estimated delivery Sep 17 - Sep 22
efficiently resisting the cold from the ground
and a tough YKK AquaSeal® waterproof zipper
Every pair of Knockarounds features impact-resistant lenses that offer UV400 protection for all-day wear
The core-styled frames feature gripper temples holes
Repair kit included
Shimano Ultegra RD-R8150 Di2 12-Speed Rear Derailleur Stoves efficiently resisting the cold fromXTR Rear Derailleur Medium Cage SHIMANO SHADOW RD+ 12 speed The XTR M9100 series of derailleurs brings a new level of drivetrain silence thank to decreased tension in the low gear position and an added bumper on the pulley cage. Larger 13T pulleys increase efficiency and chain management while compatibility with SHIMANO's new 12 speed cassettes boosts range. FEATURES Enhance shifting performance Optimized for new drive system Silent drivetrain
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