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Castelli Senremo 4
Can be used for creating a "boost" chainline with a BB30 short spindle crankset
Hard Anodized 7075-T6 Aluminium with LevaTime® shifting technology
Auto-off function SIZE 9
No cable grooves
Burgtec GXP Boost 3mm Offset Thick Thin Chainring Size_700 Castelli Senremo 4GXP Boost Thick Thin Chainring. Awesome chain line plus awesome chain retention enough said Eagle compatible. Will also work with all 10 11 and 12 speed chains both SRAM and Shimano Designed and tested in MTB heaven the Peak District. Keeps your chain on! Sizes available 30T 32T 34T Made from aerospace grade aluminium Designed and tested in the UK.
US$ 18.00
US$ 28.00