Front chainring block Shimano CUES FC-U4000-1, 9/10/11-speed, 175 mm, 30T

Front chainset Shimano CUES FC-U4000-1 // 175 mm, 9/10/11-speed, 30T

• Shimano CUES FC-U4000-1 front chainset
• The durable Shimano CUES FC-U4000-1 front chainset features a wide gear range and excellent chain retention, ensuring smooth pedalling even on demanding terrain. The Dynamic Chain Engagement+ tooth design provides optimal chain guidance.
• For use only with LinkGlide shifting systems. Version with a wider chain line (52 mm). Not compatible with a chain guard.

Dynamic Chain Engagement+ | A special tooth profile designed for 1-speed chainrings noticeably improves chain retention, making it easier to pedal over uneven terrain and offering particular advantages in MTB Cross Country, Enduro and Trail applications. The optimized chain guidance also reduces wear and tear, regardless of the selected gear.

Materials:

• crank arms, spider: aluminium (painted)
• chainring: steel (anodized, riveted)
• axle: steel (coated)

Compatibility:

• Rear derailleur: RD-U4000
• Cassette: CS-LG400-9, CS-LG300-9
• Chain: CN-HG901-11, CN-HG701-11, CN-HG601-11, CN-LG500
• Bottom bracket (square type): BB-UN101, BB-UN300, BB-UN55, BB-UN26
• Recommended bottom bracket length: 123 mm (LL123)
• Rear wheel (over locknut): 135/141 mm (QR) / 142/148 mm (thru-axle)