Feature

●Model Number: FC-U4000-1
●Series : CUES U4000 Series
●Color: Series Color
●Rear Speed: 40825; Compatible Chains: LINKGLIDE, HG 11 Speed Chainline: 52 (30T, 32T), 50 (40T, 42T), O.L.D. : Through (mm): 148, 142 (30T, 32T), 142 (40T, 42T), O.L.D. 35 (30 T, 32T), 135 (40T, 42T), P.C.D.(mm): Riveted Spider/Gear Arm : 4 Chainring Combination : 30T, 32T, 40T, 42T, Q Factor (mm): 178, Compatible Bottom Bracket Type: Square Recommended Bottom Bracket: Screw (Normal): BB-UN101, BB-UN/BB-UN/E Shaft Length (mm): Yes (Normal ): LL123 / Chain case compatible: X (40T, 42T)
●Specifications: Stainless steel chain guard mounting screws, crank mounting screws, Number of teeth: 42T


Description

High chain retention and power transfer for a fun ride on rugged surfaces.
The gears have a special toe shape that improves chain interlock and retention for smooth riding even on rough terrain.
Dynamic Chain Engagement +
Compatible with LINKGLIDE Shifting System only.

DYNAMIC CHAIN ENGAGEMENT+ Gear tooth function
DYNAMIC CHAIN ENGAGEMENT+ by SHIMANO has a gear tooth profile designed for single chainring configuration for XC, Enduro and trail riding.
This allows for smooth pedal operation even on uneven terrain. The chain bite securely no matter what gear is, reducing wear and wear.