Bike Flywheel Gear Kit 8 Speed Groupset Hollow 42T Flywheel with Shifter Chain Rear Derailleur for Bikes Modification Lightweight Aluminum Alloy Crank Stable Drivetrain Upgrade (Crankset 36T)

• [SMOOTHER SHIFTING PERFORMANCE] Experience effortless gear changes with our high strength steel flywheel featuring a tooth dropping design and multi layer electroplating for anti protection. The quenching process and tempering hardening treatment ensure durability and smoother shifting for a seamless ride on any terrain.
• [LIGHTWEIGHT DURABLE CHAIN] Upgrade your bike with our 8 speed shifting groupset that includes a low friction chain designed for stable performance and long service life. The lightweight construction reduces overall bike weight while maintaining strength making it for mountain bikes road bikes and other cycling adventures.
• [STRONG COMPATIBILITY CRANK] Crafted from aluminum alloy our crank is not only lightweight but also stylish and durable. Its strong axis and dazzling shape ensure compatibility with various bike models providing a reliable and efficient pedaling experience for all types of riders.
• [ GIFTING CHOICE] This bike flywheel gear kit is an ideal gift for any occasion whether its for your husband wife boyfriend girlfriend or children. Suitable for back to school Christmas Valentine's Day Mother's or Father's Day Thanksgiving or New Year's celebrations its a thoughtful and practical present for cycling enthusiasts.
• [STABLE DRIVETRAIN SYSTEM] Our professional 42T flywheel bike groupset offers a stable and reliable drivetrain for your bike. The included chain connector helps reduce chain drop flapping and noise ensuring a quiet and smooth ride every time you hit the road or trail.

[SMOOTHER SHIFTING PERFORMANCE] Experience effortless gear changes with our high strength steel flywheel featuring a tooth dropping design and multi layer electroplating for anti protection. The quenching process and tempering hardening treatment ensure durability and smoother shifting for a seamless ride on any terrain. [LIGHTWEIGHT DURABLE CHAIN] Upgrade your bike with our 8 speed shifting groupset that includes a low friction chain designed for stable performance and long service life. The lightweight construction reduces overall bike weight while maintaining strength making it for mountain bikes road bikes and other cycling adventures. [STRONG COMPATIBILITY CRANK] Crafted from aluminum alloy our crank is not only lightweight but also stylish and durable. Its strong axis and dazzling shape ensure compatibility with various bike models providing a reliable and efficient pedaling experience for all types of riders. [ GIFTING CHOICE] This bike flywheel gear kit is an ideal gift for any occasion whether its for your husband wife boyfriend girlfriend or children. Suitable for back to school Christmas Valentine's Day Mother's or Father's Day Thanksgiving or New Year's celebrations its a thoughtful and practical present for cycling enthusiasts. [STABLE DRIVETRAIN SYSTEM] Our professional 42T flywheel bike groupset offers a stable and reliable drivetrain for your bike. The included chain connector helps reduce chain drop flapping and noise ensuring a quiet and smooth ride every time you hit the road or trail. Spec: Item Type: Bike Flywheel Gear Kit Material: Aluminum Alloy Gross Weight: 2200g / 77.6oz Flywheel Gear Ratio: 11 13 16 20 24 30 36 42T Package List： 2 x Crank 2 x Crank Accessories 4 x Crank Srewbolt 4 x Crank Screw 1 x Central Axis 1 x Dial 1 x Rear Dial 1 x Rear Dial Screw 1 x Tail Hook 1 x Flywheel 3 x Flywheel Gear 1 x Crankset 1 x Chain 2 x