Shimano Junction Di2 EW-SD300 (EW-JC302) Computer Our new UD² layering technique

Our new UD² layering technique and Fore Carbon spoke anchoring technique save 55g and eliminate rim tape (another 30g less per wheel)

If you are very spinally flexible (far less than 90 degrees between your straight legs and your back when bending over as far as you can

you want a bike that floats right through it

Maximum output to 20 lumens

Armoured steel for strength and flexibility

Shimano Junction Di2 EW-SD300 (EW-JC302) Computer Our new UD² layering techniqueDescription SHIMANO E TUBE 2 Port Junction Internal 2 Port Junction for EW SD300 FEATURES Updated with new electric wire SD300 MODEL NO EW JC302 SERIES SHIMANO Type 2 ports junction SD50 port (pcs) 0 SD300 port (pcs) 2 SD50 connector (pcs) 0 SD300 connector (pcs) 0