Road Bike Single Chainwheel 110Bcd 4 Bolts 48T-56T Narrow Wide Tooth Chainring 50T Features: *The chainring is made of CNC aluminum alloy material *Narrow wide tooth chainring, less chance of dropping the chain *The single round chainring is suitable for road bike *4 bolt, 110BCD, support 9, 10, 11 speeds *5 types for you to choose, 48T, 50T, 52T, 54T, 56T Specifications: *Product Name: Road Bike Single Chainwheel 110BCD 4 Bolts 48T-56T Narrow Wide Tooth Chainring *Material: Aluminum alloy *Size: 110BCD *Color: Black Package Content: 1x chainring Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. PREMIUM CNC ALUMINUM ALLOY】 Crafted from CNC aluminum alloy, this chainring s longevity and performance on every ride. NARROW WIDE TOOTH DESIGN】 The innovative narrow wide tooth design minimizes the risk of chain drops, providing a more reliable cycling experience. COMPATIBLE WITH MULTIPLE SPEEDS】 Designed for versatility, this chainring supports 9, 10, and 11-speed systems, making it suitable for various bike setups. CHOICE OF SIZES】 Available in five sizes (48T, 50T, 52T, 54T, 56T), you can select the perfect fit for your cycling needs. SIZING REMINDER】 Please refer to your own sizing chart instead of Amazon's size guide to the best fit.