ABUS Wingback Helmet - Polar White Road stainless steelInner width: 17 mmOutside

stainless steelInner width: 17 mmOutside width: 25 mmRim height: 63 mmNumber of holes: -Front axle type standard: 5x100 mm quick releaseRear axle type standard: 5x130 mmFront bearing : 2x industrial bearing (stainless steel)Rear bearing : 4x industrial bearing (stainless steel)Seal: labyrinth rubber sealsFreewheel compatibility: 10-

Enhances accuracy in challenging environments where signals can be obstructed by dense trees and urban noise

This and the extremely soft rubber mix of the outer studs give an extreme grip in the turns

302 g (long cage with ROLLER BEARING CLUTCH)

ABUS Wingback Helmet - Polar White Road stainless steelInner width: 17 mmOutsideAbus Wingback Helmet Polar White Features Excellent ventilation provided by 10 air inlets and 7 air outlets Forced Air Cooling Technology combines front and rear vents with deep channels for a cool head plus air scoop (top) for the Venturi effect FlowStraps: aerodynamic flutter free and skin friendly webbing In mould design for a permanent bond between the outer shell and the shock absorbing helmet material (EPS) Zoom Ace: finely adjustable height