Alta Bicycle

• Size: 27 x 1 1/4 inches

• ISO 630 mm bead seat diameter (BSD)

• This tire fits standard 27-inch rims typically found on older road bikes and touring bicycles.

• Specifically designed to fit Schwinn S5/S6 rims, which are slightly wider than typical 630 rims—this tire has a profile and volume that complements those rims for a better fit and ride.

• The steel wire bead ensures a firm and secure fit to the rim, providing durability and resistance to blow-offs at high pressure.

• Wire bead tires are generally heavier than folding (Kevlar) bead options but are more budget-friendly and durable.

• The HF-112 tread is a smooth central slick with subtle side grooves for controlled water displacement.

• Designed to provide low rolling resistance and efficient energy transfer, perfect for pavement and dry roads.

• Slight grooves improve traction in light rain and help channel water away from the centerline.

• Recommended Pressure: 75 PSI

  • High-pressure design improves rolling speed and reduces rolling resistance.

  • At this pressure, the tire maintains a firm profile for better handling on paved roads.

• Material: Durable rubber compound optimized for long wear and resistance to urban debris.

• Side Wall: Black sidewall offers extra protection and a clean, modern aesthetic.

• Use Case: Built for longevity, this tire is designed to handle daily commuting, light touring, and recreational road cycling.

• Perfect for city riders needing a fast-rolling, puncture-resistant, and cost-effective tire.

• Handles potholes, sidewalk transitions, and paved roads efficiently.

• A direct replacement for vintage 10-speeds and touring bikes from the 1960s–1980s.

• Especially suitable for Schwinn Varsity, Continental, Traveler, and World Tourist models using S5/S6 rims.

• Ideal for long road rides, rail trails, and fitness cycling on asphalt or hard-packed paths.

This tire fits 27" wheel bicycles using ISO 630 mm rims, such as:

• Schwinn: Varsity, Continental, World Tourist (S5/S6 rims)

• Raleigh: Super Course, Grand Prix

• Peugeot: UO-8, PX-10 (vintage road/tourers)

• Nishiki, Motobécane, Centurion, Panasonic: 1970s–80s road bikes

• Any other vintage or classic road/touring bike using 27 x 1 1/4 tires