Promax TX V-Brake MTB Linear Pull Brake Front and Rear Black Set CheckoutTitle=Shimano GRX FC-RX610-1 Crankset - 175mm Reservoir Included YesGender/Age YouthColor Blue

Reservoir Included YesGender/Age YouthColor Blue SpikemossDefined Color Blue

Ritchey carbon bottle cage is light weight and extra secure

2 Derailleur Alignment Gauge

Tooth Count 40 Ring Position/Type Single Drivetrain Speeds Single Speed 3/32" Chainring BCD 110 Color Silver Defined Color Silver Material Stainless Steel

Measures right and left leg power balance

Promax TX V-Brake MTB Linear Pull Brake Front and Rear Black Set CheckoutTitle=Shimano GRX FC-RX610-1 Crankset - 175mm Reservoir Included YesGender/Age YouthColor BlueFront and rear 110mm, silver TECH SPECS Brake Material Aluminum Pad Type Non cartridge Brake Type V Brake Position Front and Rear Primary Color Black Color Black