Sram XX1 Eagle DUB Boost Crankset with Absolute Black Oval Chainring

549,90 € TTC
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Description

Sram XX1 Eagle Direct Mount cranckset with DUB spindle and Absolute Black Oval Boost Chainring. DUB technologie has been designed by Sram to simplify compatibilities between cranskets and bottom brackets with a unique spindle size of 28,99 mm. So it's the end of BB30 and GXP spindle, now with DUB you can use same cransket on BB30 frame and BSA 68 / 73 mm for exemple. For the rest this XX1 Eagle is very lightweight and strong thanks to its new hollow carbon crankarms. The Absolute Black oval chainring offer better traction and smoother pedal movment also reducing knee stress

Crank Arm Features

  • Crank arms material : Hollow carbon
  • Crank arms lengths :
      - 170 mm
      - 175 mm
  • Spindle : DUB 28,99 mm
  • Bottom brackets compatibility :
      - BSA 68 / 73 mm
      - BB30
      - BB92
      - PF30
  • Q-factor : 168 mm
  • Chainring material : CNC machined aluminium
  • Chainring mount : Direct Mount
  • Technologies :
      - Carbon Tuned
      - DUB
      - X-Sync 2
  • Drivetrain compatibility : Sram MTB 1x11 and 1x12 speed
  • Colour : Gold
  • Use : XC only
  • Sold without bottom bracket

Chainring features

  • Material : CNC machined 7075 Txxx Aluminum. Long-lasting
  • Finish : Type II anodizing
  • Teeth : 28T, 30T, 32T, 34T
      - 26T oval chainring has an ovality of 24/28T and is best for someone who uses currently 24 or 26T round ring
      - 28T oval chainring has an ovality of 26/30T and is best for someone who uses currently 26 or 28T round ring
      - 30T oval chainring has an ovality of 28/32T and is best for someone who uses currently 29 or 30T round ring
      - 32T oval chainring has an ovality of 30/34T and is best for someone who uses currently 31 or 32T round ring
      - 34T oval chainring has an ovality of 32/36T and is best for someone who uses currently 33 or 34T round ring
  • Shape : Oval
  • Mount : Direct Mount
  • Offset : 3 mm
  • Chainline : 52 mm
  • Crankset compatibility : Sram GXP and BB30 LONG SPINDLE XX1, X01, X0, X9, X7, S2210, S1400 and Truvativ AKA
  • Chain options : 10, 11, 12 spd chain for geared bike or 6-8 spd for SS. If used in 1x9 drivetrain - 10spd chain must be used to obtain the performance. (yes - 10spd chain will work great on 9spd cassette)
  • Chainguide needed : No. (but for very aggressive enduro riding it is recommended to use an upper chain guide or at minimum bashguard.)
  • Oval chainring does not affect the work of rear dérailleur cage at all (video here). Such a ring can be used therefore in 1x9/10/11/12 combination as well as Singlespeed and fixie bikes
  • Chain Length : Bypassing the rear derailleur, run the chain around front chainring/largest cog combination. (For the full suspension frame, position the rear suspension for the greatest chain length required. It's usually a normal position where rear shock if fully extended) Add 2 to 4 segments of the chain to this length for proper chain length.
  • Designed in UK. Manufactured in Poland (EU)
  • Colour : Gold

Weight

  • 26 teeth : 48 gr
  • 28 teeth : 50 gr
  • 30 teeth : 55 gr
  • 32 teeth : 59 gr
  • 34 teeth : 66 gr

If you wish to check for frame clearance with new oval ring, below you can find measurement of biggest dimension of the oval (tip to tip of tooth): 26T : 118 mm , 28T : 127 mm , 30T: 134 mm ; 32T: 143mm ;  34T: 151mm

Technical details

Part numberCOMBO387
Axle28.99 mm (DUB)
Bottom bracketsNot included
ColourGold
Crank Arms170 mm, 175 mm
MaterialCarbon
Chainrings30 teeth, 32 teeth, 34 teeth
TypeSingle
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