ISEV-ISB is for a Shimano I-SPEC EV shifter mounting to a Shimano I-SPEC B brake

Affordable 11-speed shifter

It fits all Evoc hydration packs except for the insulated drinking tube

yet keeps the weight low

TLD D3 Fiberlite Helmet - 2XL - Matte Mono Black Dangerous Goods ISEV-ISB is for a ShimanoThe Troy Lee Designs D3 Fiberlite Helmet is a more budget friendly fiberglass option compared to the carbon version. But don't let the price point fool you, this helmet takes a lot of the features and technology from it's more expensive sibling. Keeping your head nice and cool is taken care of with 20 intake ports and 6 vents. The padded liner is removable so keeping this helmet fresh will be easy as and TLD have fitted some specially sized contoured