BSA 30 Bottom Bracket flat bar- pair Air positive chamber with IVA

Air positive chamber with IVA (Incremental Volume Adjust) selfcontained volume spacer system

we developed the S-Works 7 Vent to keep you comfortable on even the hottest days

Servo-Wave technology optimizes brake control

Its nanopores matrix provides a drastic reduction in temperature transmission and ensures high insulation levels: up to 4 hours for cold liquids - double what the traditional commercially available thermal bottles can do

We equipped Sirrus X 4

BSA 30 Bottom Bracket flat bar- pair Air positive chamber with IVAThe Wheels Manufacturing BSA 30 bottom bracket threaded to 30mm is their solution to running a 30mm spindle crankset in a BSA (English) threaded frame. This bottom bracket features high quality aluminum cups and fully serviceable bearings. Enduro ABEC 3 sealed bearings are replaceable Grade 10 chromium steel balls, 52100 High Carbon Chromium Alloy Races provide smooth crank rotation Machined aluminum cups with durable anodized finish