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HomeMRP 2x Chain Retention System 39/42T BB White

MRP 2x Chain Retention System 39/42T BB White

MRP 2x Chain Retention System 39/42T BB White


Code: CH1918
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On Sale: $137.99
Regular Price: $157.50
Savings Of: $19.51

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MRP 2x Chain Retention Systems. Designed to work seamlessly with the new wave of 2x10 drivetrains, the 2x utilizes MRP's patented integrated skid chainring protection and features a patent-pending dual pulley tensioning system. Notable on the 2x system is the absence of a crank-mounted bash guard or guide ring, instead it relies on the front derailleur and lower pulley assembly for complete chain retention.
  • Integrated skid protects chainrings and glides over rocks and obstacles
  • Modular skid saves 40g when removed
  • Patent-pending dual pulley design provides precise chain engagement while reducing noise and drag
  • Raised top fin profile prevents the chain from dropping to the BB shell
  • Compatible with 9 and 10 speed drivetrains
Item Specifications
Weight144g
Chainring BCDN/Amm
Max Tooth42teeth
Chainguide Mount TypeBB Cup Mount
Ring SetupDual



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