VITTORIA VA7R endcaps rear hub 135mm QRVITTORIA VA7R endcaps rear hub 135mm QR The Boost to QR (Quick Release) hub adapter is a part that allows you to use wheels with Boost axles (usually 12mm or 15mm hollow axles) on bicycle frames with Dropout (wheel mounts) using QR axles (usually 9mm or 10mm hollow axles).

Key Features:

*Saves 45% chain friction resistance compared to 11T guide wheels”

WEIGHT : 292g/pr

thickness 2

G3 silicon nitride ceramic ball   wrench：46-12/24（SRAMDUB） No need to press special tools

is an important part of the bicycle's steering system

Weight: 188gram

Material: Aluminum alloy

mountain bikes and road bikes

Speedfil A2 and Z4+ Aerobundle Bicycle Water Bottle

sram XO 2x10 Front derailleur

also known as front derailleur or disc shifter