SRAM XX1 group ushered in a new era in the mountain range. A front chainwheel and a wide stepped pinion block behind cers now many bikes of cross counrty to Allmountain. Absolute Black has developed a combination of single chainring and Spider, which can be mounted on each SRAM GXP crank the groups XX1, X0, X9 or X7. The Combi is bolted directly to the crank arm. This saves weight, is very stiff and ensures a clean as individual appearance. A 7075 Txxx aluminum alloy ensures a low wear. The chainrings have special teeth that prevent the chain may come off. The principle follows that of SRAM XX1 chainrings. In conjunction with an SRAM or Shimano Shadow Type2 + derailleur, which have greatly increased bias of the cage, the chain is reliably held in place without chain guide.
The ovalization of the rear sprocket increases performance by variation in the drive train and optimizing the resistance. When contact with the legs, the natural strengths and weaknesses to be reconciled. To make better use of the stronger muscle groups is achieved, creating a balance in the working path (lower hub) in the weaker muscles.
Note: compatible with SRAM / Truvativ GXP and BB30 cranks . BB30 cranks are compatible only if it is the model with a longer axle is. These are recognized by the installed 16 mm spacer on the drive side.
intended use : MTB
Material: Aluminium 7075 Txxx
Technology: Narrow Wide
Mounting: Direct Mount
Number of teeth: 26, 28, 30, 32 or 34 teeth
Compatibility cranks : SRAM / Truvativ crank (XX1, X01, X0, X9, X7 ... etc.)
Compatibility chain: 10-speed , 11-speed or 12-speed (SRAM Eagle)
chain line : 49 mm
Ovalization: 10.2 to 14.4%, maximum diameter at 110.5 to 116.3 ° crank position after top dead center (for each chainring size optimized)
26 teeth - 48g
28 teeth - 50g
30 teeth - 52g
32 teeth - 57g
34 teeth - 66g
Delivery: 1x chainring
SRAM GXP, Eagle and XX1 are trademarks of SRAM LLC and are used for informational purposes only.
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