ZTTO Morsetto sedile binario supporto sella bicicletta corsa per GoPro Hero 7/6/5/4 HERO

1 Bicycle Saddle Rail Mount. Single saddle rail mount weighs only 30g, very lightweight but super strong. Size: 60 30mm. 2 Long Screw. we are always on your sides! Appreciate your kindly understanding and cooperation.

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