E13 Helix R e*spec Ring Bosch Gen4 Direct Mount 53mm Chainline Black

ChainlineBosch®: 13mm offset for 53mm chainline on CX Gen4/SX and 55mm chainline on CX Gen5
Bosch®: 15mm offset for 55mm chainline on CX Gen4/SX, and 57mm chainline on CX Gen5
Shimano®: 21.5mm offset for 55mm chainline
Specialized® Kenevo/Levo SL 1.1: -4mm offset for 52mm chainline
Specialized® Turbo Levo 2.1/2.2: 9mm offset for 52mm chainline
TQ® HPR50: 12mm offset for 55mm chainline
Fazua® Ride 60: 18mm offset for 55mm chainline
Avinox: 8mm offset for 55mm chainlineColorBosch 13mm: Black, Bronze, Eggplant, Naranja
Bosch 15mm: Black, Bronze, Sterling Silver
Shimano®: Black, Sterling Silver
Specialized®: Black, Sterling Silver
TQ® HPR50: Black, Sterling Silver
Fazua® Ride 60: Black, Sterling Silver
Avinox: Black, Bronze, Sterling SilverCompatibilityBosch® Gen4/Gen5 CX, Bosch Performance Line SX, Shimano EP8, Specialized Turbo Levo 2.1/2.2 and Kenevo/ Levo SL 1.1, TQ HPR50, Fazua Ride 60, Avinox.FeaturesLightweight, stiff, long wearlife, with technical aesthetics and enhanced chain retention. Cross-compatibility with Shimano®, Sram®, and TRP® 11/12s drivetrains.IncludedBosch® rings only: Integrated Aluminum Dust Cover (rubber seal is specific to Helix Race cranks and not included)MaterialForged-CNC 7075 ALSizeBosch®: 32T, 34T, 36T (13mm offset only)
Shimano®: 32T, 34T
Specialized® Kenevo/ Levo SL 1.1: 32T
Specialized® Turbo Levo 2.1/2.2: 34T
TQ® HPR50: 32T, 34T
Fazua® Ride 60: 32T, 34T
Avinox: 34T, 36TWeightBosch®:
13mm offset: 32T: 99g / 34T: 107g
15mm offset: 32T: 108g / 34T: 114g (without rubber dust seal)
Shimano® EP8:
32T: 115g / 34T: 120g
Specialized® Turbo Levo 2.1/2.2:
34T: 128g
Specialized® Kenevo/ Levo SL 1.1:
32T: 107g
TQ® HPR50:
32T: 95g / 34T: 102g
Fazua® Ride 60:
32T: 111g / 34T: 117g
Avinox:
34T: 102g / 36T: 109g