Giant WATERPROOF 1.5L Saddle Bag Large Black Sunshine_Enriched 27" tires (ISO 630) are

27" tires (ISO 630) are not compatible with 650b/27

low height side knobs that allow the tire to work well on wet or dry pavement

HYPERGLIDE technology

Shimano BB-UN300 Square Taper bottom bracket for cranks with JIS Square Taper mounting

SHIMANO's CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design

Giant WATERPROOF 1.5L Saddle Bag Large Black Sunshine_Enriched 27" tires (ISO 630) areGiant WP Seat Bag is constructed from high quality laminated nylon with welded seams making it completely waterproof and light weight. A quick release mounting with reflective accents and tail light clip ensure safety throughout. Available in 3 sizes FEATURES Perfex hi frequency welded seams 840D TPU laminated nylon, 100% waterproof Quick release mounting Reflective markings for improved low light visibility and tail light hanger Small: 130g 0. 6L