Box Components Box Four 8 Speed Shifter - 8 Speed - 22.2mm Bar Clamp - Multi Shift Exclusive TLR 670g TechWALL Gravel SPEEDGRIP

TLR 670g TechWALL Gravel   SPEEDGRIP GRAVEL H Classic   650 x 45C (45-584)  120tpi

4 Colours & 7 Sizes

617 g / 31

Featuring Shimano's HyperGlide and Dyna-sys technologies

Stand out features: Award winning materials technology and manufacturing combine with SQLab's cutting-edge saddle design to produce a saddle with optimised comfort levels

Box Components Box Four 8 Speed Shifter - 8 Speed - 22.2mm Bar Clamp - Multi Shift Exclusive TLR 670g TechWALL Gravel SPEEDGRIPThe Box Four shifter's main features aren't strikingly different from Box Three's. The key difference is its 8 speed platform. They've chosen to modernise the 8 speed in much the same way they did the 9 speed for Prime 9. Just like the Prime 9, the Box Four shifters take advantage of the "less is more" theme and exploit durability, simplicity, and reliability. Available as a multi shift (pull several gears at once) or single shift shifter (a sound