BOR chainring 2x10 | 2x11 times LK80 XX-Compatible | 27 teeth inside
Very lightweight chainring aluminum for mounting on spidering with a pitch circle of 80 mm at the inner position. The pitch circle of 80 mm is known from cranks such. Ex. Sram XX, X0 or BOR XX.
The CNC machined chainrings BOR of high-strength aluminum, are hardened as ever in a special process with a glass mount peening and then anodized with 3 times the usual layer thickness. This Double Surface Treatment gives the leaves thereby increased durability!
A combination of BOR 2x chainrings allows a significantly higher grading than by most manufacturers is achieved: 36/24 - 38/25 - 40/26 - 42/27. This is the maximum number of access steps on the big sheet reaches (up to 6) and the wagon is thus DI2 / EPS - compatible.
1x BOR chainring 27 teeth
bolt circle diameter: 80 mm
Compatibility: 10-speed, 11-speed