BBB - CompTank XL 750ml Bottle Stock Item:BBB 'COMPTANK XL' 750ml BOTTLE BLACK/RED The 36 tooth ratchets ensure

The 36 tooth ratchets ensure direct power transmission

It fits tighter for better chain retention

Side cutouts enable fast bottle withdraw and entry

The small/medium Backpack is designed for riders with a 60-95cm chest measurement and the large/extra large will fit riders from 96-125cm

you cannot install the ring in the wrong rotational orientation

BBB - CompTank XL 750ml Bottle Stock Item:BBB 'COMPTANK XL' 750ml BOTTLE BLACK/RED The 36 tooth ratchets ensureBBB COMPTANK XL 750ML BOTTLE This extra large, dishwasher safe, BPA free polypropylene (PP) bottle comes with a special SoftLock valve. Its wide opening provides easy cleaning and filling. Volume: 750ml Rotation lock closure Wide opening for easy filling and cleaning Dishwasher safe