Alpinestars Sierra Short Sleeve Jersey - M - Royal Blue - Bright Blue YGroup_7033415499821 Waist Closure System / Fly

Waist Closure System / Fly / Size Adjusters: A zippered fly with a push-button closure and 2 x external adjusters mean you can easily dial in the perfect fit

Trail or Bike Packing or even Enduro

24mm and 24mm-22mm GXP requires a 16 notch 44mm external bottom bracket tool

The CS-MS2 offers a wider range than any stock SRAM or Shimano 10-speed cassette

Alpinestars Sierra Short Sleeve Jersey - M - Royal Blue - Bright Blue YGroup_7033415499821 Waist Closure System / FlyThis short sleeved jersey is constructed from an innovative, advanced double poly knit fabric which is highly stretchable to allow for a performance fit. The Poly knit fabric main shell promotes moisture wicking, temperature control and prevents build up of sweat and the low open collar provides ease of entry and riding comfort. Extended open mesh inserts on sides provide enhanced breathability and airflow and the elongated lower back profile helps