Amazon.com : Wolf Tooth Elliptical Mountain Bike Direct Mount Oval Chainring for Shimano Cranks (34 Tooth, for M8000 XT, PowerTrac, MTB) : Sports & Outdoors
Amazon.com : KOOTU Mountain Bicycle,Deck 6.1 Carbon Fiber Mountain Bike 27.5/29 inch MTB Complete Hard Tail Bicycle with Shimano DEORE M6100 12 Speeds : Sports & Outdoors
Amazon.com : MTB XT Bottom Bracket 89,5x92mm Press FIT Black : Sports & Outdoors