Rear Shock Absorber Spring - Red 550LBS - Surron Light Bee suspension_part Their dimensions are 57mm wide

Their dimensions are 57mm wide by 87mm long

thus you need a regulator to bring it down to ~12 volts

CANNONDALE Treadwell Neo

Note: drop crown triple clamp kit data is based on Talaria Sting MX3 / MX4

A set of lightweight CNC machined aluminum rear axle blocks for the Surron Light Bee

Rear Shock Absorber Spring - Red 550LBS - Surron Light Bee suspension_part Their dimensions are 57mm wideThis is an uprated (higher strength) rear shock absorber spring for the Surron Light Bee. Whilst the standart 450Lbs spring is too soft for many drivers, the 550Lbs red version fits riders with a weight of around 70 80kgs. If you've found the original rear shock absorber too soft, this upgrade will transform the handling of the bike selecting the correct spring rate is one of the most important steps of setting up your bike's suspension. If you weight