SHIMANO ULTEGRA SL FC6600 10 HOLLOWTECH II CHAINSET
- Ultegra SL HollowTech II chainset offers a fine balance of light weight and rigidity with incredible shifting performance
- HollowTech II allows the bottom bracket bearings to be spaced wider apart (outboard the frame) enabling the use of larger bearings and an increased axle diameter
- There is also the benefit of easier installation , adjustment and maintenance
- Lightweight and rigid steel bottom bracket axle
- SG-X aluminium anodised chainrings available in 53-39T / 52-39T (FC6600 double), 52-39-30T (FC6603 triple) and 50-34T (FC6650 compact)
- Available in 165 mm, 170 mm, 172.5 mm and 175 mm
- Aluminium chainring bolts
- Weight 797g (53 / 39T, 170 mm including bottom bracket)
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Product Code: AAA-000
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