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
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)
Axorafow 1-1/8 Inch Headset Expander Compressor for Carbon Fiber Forks Aluminum Alloy Stainless Steel Top Cap with Internal Cable Routing Fits 22.9–25.4mm Steerer Tubes
Headset Spacer for Internal Cable Routing on Bicycles Compatible with 31.8mm and 28.6mm OD1 OD2 Fork Steerer Sizes (5.3mm tight ring)
