Blackspire Twinty 2X
BB mount 36-40t, black
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  • Lightweight, super efficient dual-ring chainguide for 2x10 drivetrains
  • Proprietary polymer slider silently guides chain with minimal wear and drag
  • Integrated bashguard protects chainrings
  • SRAM model specific to XX, XO, X9 and X7 2x10 cranks
  • 145-165g
Capacity 36-40T
Color Black
Mount BB Mount
Type Dual Ring
BikePedia Item ID: 987933
Mfr's Part #: 599-2692
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GTIN:

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