Chainring Alugear Round Aero Asymmetrical Shimano GRX 11\/12 Speed Black

ALUGEAR chainrings are among the lightest on the market. Thanks to their experience and rigorous testing, they have fine-tuned the arm design and strategically machined the chainrings so that only minimal sacrifices have been made in terms of impact resistance in exchange for significant gains in weight reduction.With unique tooth profiles, mounting and climbing aids enable the chainrings to switch particularly smoothly and quickly. So, with them, an easy load change. The chainrings have been specially tuned by climbing aids and can only achieve their superior shifting performance in combinations supplied by ALUGEAR.The chainrings are CNC-machined from 7075 T6 aluminum and industrially hard-anodized to offer protection against mechanical impact, a beautiful appearance and excellent tactile feel to each long-lasting chainring.A unique tooth profile eliminates chain noise, reduces wear and ensures smooth operation throughout the system of all common drive combinationsALUGEAR chainrings are the best choice if you’re looking for a technologically solid chainring with a unique design and low weight.Features : Intended for use: 2u00d712 speeds and 2u00d711 speeds for Gravel bikes Weight: 48 teeth – 123g Optimum chainring combinations:48-34 Mounting position: outer 48 teeth Bolt circle diameter: 110 mm Shimano Asymmetrical (GRX versions) Mounting: 4-arm spider Material: Aluminium 7075-T6 Manufacturing: CNC-milled Surface coating: Anodized Scope of delivery: 1 outer chainring (without inner chainring, without bolts).Compatibility: Compatible with Shimano 2X 12-speed cranks FC-RX820-2 GRX (12-speed) Compatible with Shimano 2X 11-speed cranks FC-RX810-2 GRX (11-speed) NOTE! Alugear 2X Aero chainrings for GRX are not compatible with FC-RX610 and FC-RX600 cranks Compatible with ALUGEAR inner ring for GRX only Gear change: 2×12 and 2×11 speeds (only for use with dual system and front derailleur) Chainrings, you can use the following chains: 12-speed Shimano (Hyperglide+), 12-speed KMC, 11-speed Shimano