2015-2021 Volvo XC90 Roof Racks

What's the difference between Solid vs Click-In Crossbars?

SKU	Name	USD
8-00-9673-BK	EXR 'WEEKENDER-9673' Black Crossbars - (2) 48" Solid bars, 1.76" above Rails	483.23
8-00-9776-BK	EXR 'WEEKENDER-9776' Black Crossbars - (2) 51" Click-In bars, 1.76" above Rails	740.27
8-00-9776-RD	EXR 'WEEKENDER-9776' Red Crossbars - (2) 51" Click-In bars, 1.76" above Rails	850.19
8-00-6677-BK	EXR 'CAMPER-6677' Black Crossbars - (3) 51" Solid bars, 1.76" above Rails	853.91
8-00-6777-BK	EXR 'CAMPER-6777' Black Crossbars - (3) 51" Click-In bars, 1.76" above Rails	1071.86
8-00-6678-BK	EXR 'OVERLANDER-6678' Black Crossbars - (4) 51" Solid bars, 1.76" above Rails	1154.43
8-00-6777-RD	EXR 'CAMPER-6777' Red Crossbars - (3) 51" Click-In bars, 1.76" above Rails	1236.74
8-00-6778-BK	EXR 'OVERLANDER-6778' Black Crossbars - (4) 51" Click-In bars, 1.76" above Rails	1445.23
8-00-6778-RD	EXR 'OVERLANDER-6778' Red Crossbars - (4) 51" Click-In bars, 1.76" above Rails	1665.07