Shimano Tourney RD-TX800 Rear Derailleur - 8 Speed Long Cage Shimano Rear Direct Mount BLK CheckoutTitle=Cane Creek Hellbender 70 Visco Lower Headset - ZS56/40-H8 } 12 speed Record /

} 12 speed Record / Super Record chainring

99mm BB Inclusion No BCD Direct Mount SRAM 8 Bolt Teeth 50/37 Interface DUB Primary Color Black Speed 12

Pins: 304 Stainless Steel

Works in conjunction with frame's derailleur hanger and hub axle

By removing the rear pinch bolts and moving the mounting bolts to the middle of the stem Box reduced the weight and size and eliminated a serious hazard to the rider`s knees

Shimano Tourney RD-TX800 Rear Derailleur - 8 Speed Long Cage Shimano Rear Direct Mount BLK CheckoutTitle=Cane Creek Hellbender 70 Visco Lower Headset - ZS56/40-H8 } 12 speed Record /Shimano Tourney RD TX800 Rear DerailleursTX models come with Smart Cage which gives MegaRange compatibility with a shorter derailleur cage Largest Cog 34 Color Black Rear Der Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 8 Chain Wrap Capacity (teeth) 43 Cage Length Long