Prowheel Junior RPL-521 Crankset 140mm 48-32T 8/9s Black RGroup_8DEF81A6F1E4E57DA1547C3EE84F4F3587A07E37 while Stage 2 uses a

while Stage 2 uses a smaller barrel for high pressure up to 160 psi

700c wheels with 40mm wide puncture-protected tires

a better and more realistic ride feel as well as improved accuracy for power measurement

Integrated SKS locking cable locks bikes to rack

The Elixir BrakePads from SRAM offer quick and efficient stopping power

Prowheel Junior RPL-521 Crankset 140mm 48-32T 8/9s Black RGroup_8DEF81A6F1E4E57DA1547C3EE84F4F3587A07E37 while Stage 2 uses aThe Prowheel Junior RPL 521 Crankset is crafted from lightweight AL6061 T6 aluminum and features a sleek black finish. It is designed for 2x8 9 10 speed setups with a 140mm crank arm length, making it ideal for junior riders. Compatible with a 116mm Square Taper BB, this crankset is easy to install and enhances performance for young cyclists.