SRAM XX1 X-Sync Chain Ring

SRAM XX1 X-Sync Chain Ring
  • Size: 28T
  • Size: 32T
  • Size: 34T
  • Size: 36T
  • Size: 38T
$89.00 - $119.99
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Details

SRAM's XX1 X-Sync Chain Ring mates perfectly to SRAM's XX1 crank. It features a wide-narrow-wide tooth profile to securely hold the chain through the roughest terrain, no chainguide necessary. A variety of sizes ranging from the spin-to-win 28T to the hard-man humbling 38T let you dial in your rig for your strengths or terrain. The unique chainring design allows you to slide slide over the crank arm, so crank removal is not required.

SRAM's X-Sync technology ensures a perfect fit between the XX1 chainring and XX1-specific chain for unheard of chain stability with no slap, no drops and no chainguide or weight penalty!

How to measure chainring Bolt Circle Diameter (BCD).

To choose the correct chainring, 1) determine the number of teeth (they're usually marked, or simply count them), 2) determine how many bolt holes there are (usually 4 or 5), and 3) determine the Bolt Circle Diameter (BCD; see diagram).

Common BCDs include:
130mm (Shimano Road)
135mm (Campagnolo Road)
110mm (Compact Road)
and
104mm, 94mm, and 64mm (Mountain)

Finding the number of teeth and bolts holes is easy. If you don't know your chainring's BCD, measuring it is tricky. So, instead, measure the exact distance (center to center) between 2 adjacent bolt holes. Then find that number on the correct chart below to determine the BCD for your chainring.

BCD Chart for 5-bolt Chainrings
Bolt to Bolt (measure center to center) Bolt Circle Diameter (BCD)
32.9mm 56mm
34.3mm 58mm
43.5mm 74mm
55.4mm 94mm
64.7mm 110mm
76.4mm 130mm
79.5mm 135mm
84.6mm 144mm
BCD Chart for 4-bolt Chainring
Bolt to Bolt (measure center to center) Bolt Circle Diameter (BCD)
41mm 58mm
45.3mm 64mm
48.1mm 68mm
73.6mm 104mm
79.2mm 112mm

If you have any questions concerning chainring compatibility, please contact us.

Videos

SRAM X01 - ALL FOR ONE

Part Numbers

Option UPC MPN Store SKU
28T 710845713712 116218004000 155981
30T 710845713729 116218004001 155980
32T 710845713736 116218004002 380456
34T 710845713743 116218004003 155982
36T 710845713750 116218004004 380212
38T 710845713767 116218004005

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