Box components Box Two Alloy External ENG Bottom Bracket 68/73mm Box/Praxis 30mm Model=HX 531 Rim Works also on wet transformed

Works also on wet transformed snow down to 0C (32F)

The ATMOS 7k also features an integrated GoPro mount

Type Standard Size 700x45 ISO 622 Bead Wire Belted Tread/Sidewall Color Bk/Blk PSI 60 Weight (Grams) 853 TPI 60 Durometer Features REF/SRC/KS/EBIKE50 Reflective Sidewall Yes

many from Hollowtech II

Box components Box Two Alloy External ENG Bottom Bracket 68/73mm Box/Praxis 30mm Model=HX 531 Rim Works also on wet transformedBox Two External bottom brackets feature cold forged and CNC machined alloy cups dual labyrinth bearing covers and precision sealed bearings. Only compatible with Box One M30 Box Two M30 or Praxis M30 cranksets TECH SPECS Width 68 73mm BB Interface ENG Spindle Type Box Praxis 30mm Length Cup Material 6061 T6 Weight 105g Cup Type Cup OD Bearing OD Color