Shimano FC-RS520 crankset

Road crankset for 12-speed with 4-arm design This 2-piece crank uses an outboard, 24 mm bottom bracket and features 2x12 speed 50-34T chainrings. It uses a 4-arm construction and is compatible with modern disc brake road frames.


Features:

Affordable and high-end style crankset:
- 4-arm crankset for 12-speed drivetrain
- Compatible with frames of O.L.D. 135 mm and 410 mm chainstay length
- 2-Piece Crankset


Specifications:

- Threaded bottom bracket shell width (mm)_70: Yes
- 2-PIECE CRANKSET: Yes
- Chainring combination: 50-34T
- Compatible bottom bracket type_Outboard: Yes
- Crank fixing screw included: yes
- Crank arm length (mm)_165: yes
- Crank arm length (mm)_170: yes
- Crank arm length (mm)_172.5: yes
- Crank arm length (mm)_175: yes
- Spider/Gear arms: 4
- Optional chain guard_Without chain/bash guard: yes
- Recommended bottom bracket_Press-fit: BB-RS500-PB
- Recommended bottom bracket_Threaded (normal): BB-RS501
- Threaded bottom bracket shell width (mm)_68: yes
- Q-factor (mm): 150
- Chain line (mm): 44.5
- Compatible chain: HG 12-speed
- P.C.D. (mm): 110
- Rear speeds: 12


Technology:

2-piece crank set:
- Integrated crank arm and bottom bracket: Increased rigidity with less weight
- Wider bearing positioning: Rigidity is enhanced and pedaling force is efficiently transmitted
- Precision Bearings: Low maintenance and simplified installation