Bicycle line-seat 10. Protect the brake cable and shift cable from being worn out by the hole.
Road and MTB Fork Spacer Designed for Internal Cable Routing with Support for 31.8mm and 28.6mm OD1 OD2 Fork Standards (6.3mm tight ring)
Lixada 30.9mm/31.6mm Mountain Bike Seatpost with Adjustable Height MTB Cable Controlled Hydraulic Seatpost Remote Internal Inner Cable Routing Bicycle Seat Post
Vasiumic Road For Bike Headset Spacer 5mm 10mm for 28.6mm Fork Stem with Internal Cable Routing, Black ABS Spacers Compatible with 1 1/8 Inch Handlebar(5MM)
Telescopic Dropper Seatpost 30.9 mm for Mountain Bike, Aluminum Alloy Adjustable Bicycle Seat Tube with Internal Cable Routing and Remote Control
Mavaol Hidden Headset Upper IS52 28.6mm Lower ZS56 40mm Internal Cable Routing Headset with 7.5mm Compression Ring
Sawhamale Headset Spacers Cable Routing Adaptor for Trek Spark Road Bike, Engineering Plastic Frame Spacer Set with Cover and Screw, Black(Headset Gasket Set)
