The hope stealth race e4 evo disc brake uses a race evo lever which has been matched with hope39s e4 caliper to create an all round lightweight package weighing in at a mere 227g without compromising power and modulation to shed even more grams this hope disc brake uses a mixture of titanium and aluminium bolts which keeps weight low while remaining strong constructed with a super lightweight design the calliper and lever have been cnc machined from a single billet of 2014 t6 aluminium a