Sun 103/68mm Square Axle Bicycle Bottom BracketRace BBS18 (BSA)

Sun Screw-in Bottom Bracket Race BBS-18

New pedal crank cage adaptable for road or city bike, eBike or VAE electric bike, gravel, trekking, BMX, mountain bike (all-terrain bike), hybrid bike, muscle bike, children's or adult bike, women's or men's bike and other types of bikes depending on dimensions and type of crankset.

This spacer inserts and screws into the lower part of your frame. This housing receives the entire bottom bracket system, prevents friction in the frame and allows free rotation when pedaling.

Technical characteristics and dimensions of the threaded pedal hub

• Brand: SunRace
• Model: BBS 18
• Material: steel
• Color: chrome gray
• Axle Width: 103 mm
• Distance between nut heads: 68 mm
• Width of crank squares: 100mm
• Inner diameter (bottom bracket):
• Left thread diameter: 34.8 mm (BSA standard)
• Thread type: standard (tighten by turning clockwise)
• Straight thread diameter: 34.8 mm (BSA standard)
• Thread type: reverse (tighten by turning counterclockwise)

Sunrace is a Taiwanese brand specializing in the production of parts for bicycles. To discover our range of Sun productsrace, click on this link.