The ultimate road wheelFaster. Lighter. More stable. The ultralight Aeolus RSL 37 is the ultimate carbon road wheel for climbs, crits and classics. RSL-level OCLV Carbon is lighter and stronger, allowing for a faster, more stable 37 mm rim profile that is lighter than shallower wheels and faster than deeper wheels. Ultralight hubs with DT Swiss 240s internals and a Ratchet EXP 36-freehub keep everything rolling smooth.All Bontrager carbon wheels are warrantied for life for the original purchaser and come with the added protection of Carbon Care. If you damage your wheels while riding in the first two years of ownership, we'll replace them. It’s that easy.Product detailsOCLV RSL Carbon is lighter and stronger, and allows for faster, more stable rim profilesRSL-optimised 37 mm depth provides leading speed, stability and weightTubeless Ready (TLR) rims compatible with both Bontrager TLR rim strips and TLR tape37 mm depth OCLV Carbon rim (28 mm outer) DT Aerolite spokes 24/24, DT Pro Lock nipplesSmooth-rolling, ultralight DT Swiss 240s internals with Ratchet EXP 36-point engagementCompatible with Shimano 10/11/12 speed, SRAM 10/11 freehubs, 12-sp XDR available separatelyCentreLock disc hubs with 12 mm thru-axle front and rear, QR end caps availableIncludes TLR rim strip, TLR valve and traditional rim stripRace-calibre carbonRSL-level OCLV Carbon is the lightest and strongest available, and it lets us create the fastest rim shapes we possibly can.Light. Speed.The lightest carbon aero road wheel we’ve ever made. At 1325g, Aeolus RSL 37 wheels are 55 g lighter than their predecessor. And they’re 30% deeper and over 15% faster.All-new 37 mm designFast, light, stable – the all-new rim shape delivers the ideal trifecta without adding weight or compromising stability.DT with Ratchet EXP hubsThe all-new lighter-weight Ratchet EXP freehubs are built with proven DT Swiss 240s internals for consistent engagement and a smooth, fast-rolling feel.Tubeless ReadyEasily set your wheel set up tubeless with Bontrager TLR rim strips or use a rim tape system for the lightest set-up possible.Specification:Size:Rear, Shimano HG 9/10/11-speedFT/RR:RearDiameter700CType:Tubeless Ready (TLR)/ClincherCassette compatibility:Shimano HG 9/10/11-speedHub width:135/142 mmHoles:24Butting:14/17/14Cross section:BladedBrake type:CenterLock discAttachment:Thru axleNipple locking type:Alloy lockingValve:PrestaHub engagement (rear) :36Rim width (inner) :21mmRim depth:37 mmMaterial - Rim:CarbonWeight:725g