Shimano XTR 12 Speed Derailleur vs SRAM Eagle Rear Derailleur – M9100
Quick look at the new #ShimanoXTR #M9100 SGS rear #derailleur, made to work with their 10-51T 12 speed cassette. Also
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SRAM Eagle
Woolf Tooth OVAL Chainrings Quick Check – PowerTrac Elliptical, Drop-Stop
Quick check of the #WoolfTooth #oval chainrings, called PowerTrac Elliptical or PTE for #MTB. Their narrow-wide tooth profile is called
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