Built for urban riders and commuters who demand the most from their gear, the Allston is Bern's top-of-the-line city lid. Featuring premium Zipmold+ construction, the Allston offers three shell sizes and a Boa 360 degree retention system for the ultimate fit, while 16 large vents offer optimum air flow. The signature soft flip visor and a performance moisture-control liner round things out and give the Allston a distinctive Bern look. With a style that is at home on the way to the office as it is on the bike path, the Allston offers versatility, performance, and style all rolled into one package. - Weight 356 Grams - Standards CPSC, EN1078

Replacement pads for all Specialized Covert helmets. - Size Specific

Replacement visor for all S3 MT and S-Works MT helmets.

Replacement pads for all Specialized Street Smart helmets.

Fits model year 2010-2012 Echelon helmets.

- Made in the USA - Enables Take a Look Original Eyeglass Mirror to fit helmets - Does not work with Take a Look Compact Eyeglass Mirror

Replacement visor for all Andorra helmets.

- Replacement fit system with hairport for all Specialized helmets using Headset SL - Size Specific

Replacement fit system assembly for Echelon, Echelon II, Propero II, Tactic, Tactic II with mushroom-plug snap attachment (verses the new 5-position adjustable attachment).

Replacement visor for all Specialized Street Smart helmets.

- Replacement pad set for all TT2 Helmets.

Replacement visor for all Specialized Tactic II helmets.

Replacement visor for all Specialized Tactic helmets.

Replacement visor for all Specialized Vice helmets.

- Replacement fit system with Hairport. - Size Specific

Replacement visor for all Specialized Shuffle child size helmets.

Replacement visor for all Specialized Shuffle youth size helmets.

Replacement cheek pads for all Specialized Dissident Comp helmets.

Replacement crown pads for all Dissident Comp helmets.

Replacement visor for all Dissident Comp helmets.

Replacement visor for all Specialized S3 helmets.

For Serfas Metro Helmet – Replacement Rear Light Serfas Metro Helmet Compatibility: - HT-404BKGY - HT-400BKGY - HT-404BLBK - HT-400BLBK - HT-404WTBK - HT-400WTBK

Ponytail-ready HairPort SL II fit system with six height positions and micro-adjustable dial for optimized fit. - Helmet not included, sold separately

Easy-adjust Headset SL II fit system with six height positions and micro-adjustable dial. - Helmet not included, sold separately

Replacement pads for all Specialized S-Works TT helmets.

This helmet mount works with all CatEye Lights. Pair it with the Volt 800 for the ultimate trail solution.

Replacement pads for all Specialized Airnet helmets.

Replacement LED assembly for the Centro LED helmet.

- Replacement visor for all Chamonix helmets for model year 2014 to present. - One Size

- Women's HairPort FSL II