JGbike Crankset AL-6061-T6 Aluminum Alloy CNC Manufactured, 4 Spider Arms, AL7075 104BCD Chainring, 30T 32T 34T 36T 38T 40T, 68-73mm Bottom Bracket or Square Bottom Bracket

• AL7075-T6 charing+Al6061-T6 Crank arm, compatible with a wide range of bikes, 104bcd specification, 4-spider locked by bolts. Through integrated forging and CNC machining, it ensures moderate weight while maintaining precise dimensions. Options include a 68, 73mm bottom bracket, or compatible with square tab, with a wide range of choices from 30T to 40T.
• AL7075-T6 charing+Al6061-T6 Crank arm, compatible with a wide range of bikes, 104bcd specification, 4-spider locked by bolts. Options include a 68, 73mm bottom bracket, or compatible with square tab, with a wide range of choices from 30T to 40T.
• perfect for upgrading or replacement for all 104BCD cranks from Shimano, SRAM, FSA etc; going with cross country, trail or all mountain bikes. The installation can be finished within two steps only.
• you can upgrade your bike by replacing 2x or 3x gears into our new 1x crankset, which means it’s an ultimate choice for DIY lover.It comes with a 6-month warranty and 24/7 customer services.
• JG Bike(Just Great Bicycles) was founded by 2 bike enthusiasts in 2008. Now we own 2 factories, one for assembling bicycles and the other for machining bike components.
• Oval chainring and more color options are upcoming, all are available in our storefront. Please regularly mount a new chainring for safety.

JGbike Crankset AL-6061-T6 Aluminum Alloy CNC Manufactured, 4 Spider Arms, AL7075 104BCD Chainring, 30T 32T 34T 36T 38T 40T, 68-73mm Bottom Bracket or Square Bottom Bracket