SHIMANO ALFINE 带护链盘的公路车曲柄

美观的 SHIMANO ALFINE FC-S501 曲柄有单或双链轮片挡板以及 45、42 和 39T 链轮片供选择。它有黑色和银色可供选择，170 mm 曲柄臂长度，并使用外侧 24 mm 兼容的中轴。

产品规格

Compatible chain_Super Narrow HG for 9-speed	X（CN-HG93、CN-HG53）
Compatible chain_HG 8-speed(1/2"X3/32")	X (CN-HG71)
2-piece solid crank construction	✔
Chain guard1_Diameter (mm) 45T	200
Chain guard1_Diameter (mm) 42T	190
Chain guard1_Diameter (mm) 39T	174
Chain guard2_Diameter (mm) 45T	200
Chain guard2_Diameter (mm) 42T	190
Chain guard2_Diameter (mm) 39T	174
2-piece crank construction	✔
Chain Guard 1 Diameter	200 mm, 190 mm, 174 mm
Chain Guard 2 Diameter	200 mm, 190 mm, 174 mm
Chain Guard Type	Double
Chain line (mm)	49.2 (double chain guard), 42.7 (single chain guard)
Chain ring combination	45T/42T/39T
Chain Ring Teeth	39T, 42T, 45T, 130
Compatible BB type	Outboard
Compatible chain	超窄 HG 适用于 9 速, HG 8 速（1/2 英寸 x 3/32 英寸）
Crank Arm Length	170 mm
Crank Arm length (mm)	170
Gear arms	5
Optional chain guard_With chain guard	X（二片式）
Optional Chain Guard	With chain guard (double)
Rear speeds	(Internal geared hub)
Technology	OCTALINK
Threaded BB shell width_68mm	✔
Threaded BB Shell Width	68 mm
Includes Crank Arm Fixing Bolt	Yes
Gear arms (pcs)	5
P.C.D. left / right (mm)	130