E*thirteen Helix Race 12sp Cassette 9-50t - Nickel Gray ModelNumber=22428 }CeramicSpeed BBright Bottom Bracket -

}CeramicSpeed BBright Bottom Bracket - 24mm Spindle Black

15mm overall length with a 12mm wheel building calculator dimension

whether its big game fishing down in the tropics to small mountain trout streams

4 Tire Bead Folding Tire Diameter 29" Tire Intended Use Mountain Tire Type Tubeless Ready Clincher Weight 1250 Weight (oz) 44

E*thirteen Helix Race 12sp Cassette 9-50t - Nickel Gray ModelNumber=22428 }CeramicSpeed BBright Bottom Bracket -e*thirteen Helix Race Cassette 12 Speed 9 50t Nickel Gray. The e*thirteen Helix Race 12 speed 9 50t cassette is an upgrade to any SRAM Eagle or Shimano drivetrain and offers a 556% range. The 9 tooth cog lets you step down one chainring size while keeping the same top end gearing and provides not only better ground clearance but an overall lighter drivetrain. Works flawlessly with Shimano and SRAM drivetrains including electronic shift systems CNC