{"product_id":"9-speed-bicycle-crankset-with-chain-guard-39t-sing","title":"9 Speed Bicycle Crankset With Chain Guard 39T Single Ring 170mm Aluminum Arms 130mm BCD Includes BB Black For Commuter City Bike Urban Touring Upgrade","description":"\u003cdiv\u003e9-Speed Crankset 39T Single Ring with 170mm Aluminum Arms\u003cbr\u003e\n✔️ Single-unit crankset with 39T, 170mm arms, 130mm BCD, 68mm BB included \u003cp\u003eThis city bike crankset upgrade is built for urban commuting and light touring, offering a 39T single chainring on 170mm aluminum arms. It’s designed for 8- and 9-speed drivetrains and includes an outbound BSA bottom bracket compatible with 68mm road frames for easy installation.\u003c\/p\u003e ✅ 39T single chainring with 130mm BCD for efficient power transfer\u003cbr\u003e\n✅ 170mm crankarm length for comfortable pedaling on city rides\u003cbr\u003e\n✅ 42.7mm chainline optimized for road disc hubs and short stays\u003cbr\u003e\n✅ Includes outbound BSA bottom bracket for 68mm road frames\u003cbr\u003e\n✅ Durable aluminum arms with integrated chainguard for daily use\u003cbr\u003e\n✅ 8\/9-speed drivetrain compatibility for city commuting and urban touring\u003cbr\u003e \u003cp\u003e💡 What is a city bike crankset with a 39T chainring good for in daily commuting?\u003c\/p\u003e\n\u003cp\u003eThis handy setup keeps front gearing simple and reliable.\u003c\/p\u003e\n- 39T chainring optimized for urban cadence\n- 170mm crankarms deliver comfortable pedal stroke\n- 42.7mm chainline improves clearance for road hubs\n- 68mm BSA bottom bracket simplifies installation\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48522440704235,"sku":"VXB00RDEERP0","price":214.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61JsAkvKSmL_b29ba71d-ce6b-4869-a0f9-696616160e78.jpg?v=1779587452","url":"https:\/\/vxb.com\/products\/9-speed-bicycle-crankset-with-chain-guard-39t-sing","provider":"VXB Bearings","version":"1.0","type":"link"}