DetailsOptimal surface areaMinimal profile 13mm thin10mm hex traction pins, 9 per side12mm hex traction pins available through small parts ordersPremium bearings & seal systemStamp small recommended for shoe sizes: 5-10 (us) // 37-43 (eu)Stamp large recommended for shoe sizes: 10-15 (us) // 43-49 (eu)Serviceable, pedal refresh kit here Specsbody materialCompositefootprint111mm x 114mmhex traction pins9 per side (mounted from back)inner bearing typeIgus LL-glide bearingouter bearing typeEnduro cartridge bearingspindle materialForged scm 435 chromoly steelwarranty5 yearsshoe size10-15 (us) // 43-49 (eu)weight329g per pair