ALUGEAR chainring oval Aero Direct Mount | 1-speed narrow-wide SRAM MTB 8-hole transmission | BOOST
Alugear is based in the beautiful city of Krakow, approx. 250 km southwest of the Polish capital Warsaw. The focus is on the development and production of drive components for bicycles. The entire production cycle, from the initial design to the finished product, is carried out entirely by Alugear in Poland. This is the only way to guarantee consistent product quality with low manufacturing tolerances. Alugear has developed universal teeth for its chainrings that work smoothly with various 11-speed and 12-speed chains. In addition, the chainrings are now also compatible with SRAM Transmission drivetrains. The flat aero design is perfectly adapted to the shape of the SRAM Quarq XX1 spider.
narrow-wide tooth profile
To keep the chain securely in position even without a chain guide, the teeth have a special profile consisting of alternating narrow and wide teeth. The teeth are also shaped in such a way that the chainring is very good at removing mud itself in muddy conditions. Dirt and mud are therefore effectively removed when the chain runs over and friction in the drivetrain is minimized.
Direct mount assembly
The chainring is mounted directly on the crank arm and replaces any spider that may have been present previously. The result is a tidy look that saves weight and offers excellent stiffness at the same time.
Oval shape
Ovalizing the chainring increases performance by varying the drivetrain and optimizing resistance. When pedaling with the legs, the natural strengths and weaknesses are harmonized. This results in better use of the stronger muscle groups and compensates for the weaker muscles in the work stroke (lower stroke).
Boost
Due to the chain lines used, the chainring is suitable for Boost frames with an installation width of 148 mm.
Technical data
Area of application: MTB
Material: Aluminum 7075-T6
Technology: Narrow Wide, Direct Mount
Bolt circle: Direct Mount
Mounting: SRAM 8-hole Direct Mount
Number of teeth: 26 teeth, 28 teeth, 30 teeth, 32 teeth, 34 teeth, 36 teeth, 38 teeth
Compatibility cranks: SRAM XX SL Eagle, SRAM XX Eagle, SRAM X0 Eagle, SRAM GX Eagle, cranks with SRAM 8-hole standard
Chain compatibility: SRAM chains 11-speed + 12-speed Eagle & Transmission; Shimano chains 11-speed + 12-speed HG+, KMC chains
Mounting position: -
Chainline: 52 mm or 55 mm (depending on crank used)
Offset: 3 mm
Adjustment options: none
Range (ovalization): 12%
Timing (force application): 108° after TDC (top dead center).
Color: silver, black, red, orange, blue, green, gold, purple
Weight according to manufacturer: 54g (26 teeth), 59g (28 teeth), 64g (30 teeth), 68g (32 teeth), 76g (34 teeth), 83g (36 teeth), 89g (38 teeth)
Weight self-weighed: 59g (30 teeth), 77g (36 teeth)
Scope of delivery: 1x ALUGEAR chainring oval Aero Direct Mount | 1-speed narrow-wide SRAM MTB 8-hole transmission | BOOST