170mm Bike Crankset - 45T/47T Chainwheel & Crank Arm Set for Folding Bikes | Durable Bicycle Chainring Replacement | Perfect for Urban Commuting & Leisure Cycling

Features: Ride more efficiently with this bike crankset, suitable for folding bikes. Aluminum alloy for ultimate strength and reliability. 170mm crank arm length, 5 bolts fixing. Bolt circle diameter (BCD): 130mm, fits on all speed road bikes. Perfect refit accessories for your road bike! Specification: Brand name: Meijun Option: black + red 45T, black 45T, black + red 47T, black 47T Product material: aluminum alloy Application: folding bike Arm length: 170mm / 6.7in Dimension: approx. 28*19.5cm / 11*7.7in (crankset), 20.5*3.3cm / 8.1*1.3in (crank) Item weight: approx. 738-757g Package List: 1 * Crankset 2 * Crank (bikes and other items are not included)